Bike Size Chart: 7 Easy Methods How To Choose Right Bicycle


Are you interested in buying a new bike and are wondering what size bike you need? Well, we have done a lot of research and compared tons of bicycle size charts out there.

Choosing the right bike size for you can be extremely stressful, nerve-racking, and downright complicated if you don’t know what you’re doing.

Thankfully, you’ve stumbled upon us as we’re going to tell you exactly how to do it.

We´ll share with you 7 best bike size guides.

You’ll be a pro in no time.

In a hurry? Here in the table below you will find the answers to your questions about which size of bicycle you need:

Approx. Age / HeightWheel Size
What bike size do i need for a 6 year old16″
What bike size do i need for a 7 year old16″-20″
What bike size do i need for a 10 year old24″
What bike size do i need if I am 5´2″24″
What bike size do i need if I am 5´4″24″-26″

Table of Contents

How to find your bike’s size?

What are the alternative methods for finding the right bike size?

In addition to checking the frame size sticker or using a geometry chart, alternative methods for finding the right bike size include using a simple bike size for height chart and consulting an advanced bike size chart based on the type of bike you are looking to purchase.

How can you measure the frame size of a bike yourself?

You can measure the frame size of a bike yourself by following the instructions provided in an article on how to measure a bike frame.

How can you find a geometry chart for a bike frame on a brand’s website?

If you have a recently sold bike model, you should be able to find a geometry chart for your frame on your bike brand’s website.

Where is the frame size sticker usually located on a bike?

The frame size sticker on a bike is commonly situated on the seat tube, but it may also be found in a more inconspicuous spot, like under the bottom-bracket area.

How can you check the frame size sticker on a current bike to find its size?

You can locate the frame size sticker on your current bike, which is typically found on the seat tube. However, it might also be placed in a more discreet location, such as under the bottom-bracket area.

What is the bike size chart for different heights?

What is the specific frame size recommendation for each height range, providing a more detailed and precise match between height and bike size?

The specific frame size recommendations for different height ranges are provided in both centimeters and inches, ensuring a detailed and precise match between height and bike size.

What is the size range from XXS to XXXL for bikes based on height?

The bike size chart ranges from XXS to XXXL based on different height categories.

What are the frame sizes in both centimeters and inches for each height range?

The frame sizes range from 44cm to 62cm (13in to 22in) in centimeters and inches for different height ranges.

What are the T-shirt frame sizes corresponding to different height ranges?

The T-shirt frame sizes are XXS to XXXL for different height ranges.

What Size Bike Do I Need For My Height?

Height is the most important factor for helping you decide your exact bike size. The taller you are, the bigger size bike you’ll want to have.

In order to decide what size bike you need, you’ll first need to know what type of bike you are looking to purchase. Each type of bike slightly differs in size.

For example, mountain bikes are typically more rugged with larger tires and road bikes are more lightweight with narrow tires.

Once you know what type of bike you are looking for, calculating the rest is easy.

If you’re browsing in stores, the best way to tell what size bike is best for height is by standing over the middle of the top frame.

You’ll want to make sure that there is a comfortable amount of space between you and the bike.

For road bikes, about 1-2” should be enough space and for mountain bikes, a little more space, about 2-4”, will work best.

Also, make sure to remember that you can always make some small adjustments to make the bike fit your needs even better.

If you aren’t able to test the bikes out in-store, another great way to find the right bike size for your height is by using a bike calculator.

Related reading: Cycling For Beginners: Basic Skills For Beginner Cyclists (Tips, Shoes and Gear)

Bike Size Chart For Women

In the table below you will find the bike size chart for women:

HeigthInside legRoad bike size for womenMountain bike size for women
147cm-155cm / 4´10″ – 5´1″66cm / 26″44, 45, 46cm (XX Small)13″-14″ (X Small)
155cm-160cm / 5´1″ – 5´3″69cm / 27″47, 48, 49cm (X Small)13″-14″ (X Small)
160cm-155cm / 5´3″ – 5´5″71cm / 28″50, 51, 52cm (Small)15″-16″ (Small)
165cm-172cm / 5´5″ – 5´8″76cm / 30″53, 54, 55cm (Medium)17″-18″ (Medium)
172cm+ / 5´8″79cm / 31″56, 57cm (Large)19″ (Large)
Women Bike Size Guide

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Bike Size Guide Womens

Bike Size Chart For Men

In the table below you will find the bike size chart for men:

HeigthInside legRoad bike size for menMountain bike size for men
147cm-152cm /4´10″-5´0″66cm / 26″47,48cm (XX Small)13″ (X Small)
152cm-160cm /5´0″-5´3″69cm / 27″49,50cm (X Small)13″, 14″ (X Small)
160cm-170cm /5´3″-5´7″71cm / 28″51,52,53cm (Small)15″ 16″ (Small)
170cm-175cm /5´7″-5´9″76cm / 30″54,55cm (Medium)17″, 18″ (Medium)
175cm-180cm /5´9″-5´11″79cm / 31″56,57,58cm (Large) (Giant-ML)18″, 19″ (Medium, Large)
180cm-188cm /5´11″-6´2″81cm / 32″59,60cm (X Large)19″,20″ (Large)
188cm-196cm /6´2″-5´5″86cm / 34″60,61,62cm (X Large, XX Large)20″.21″,22″ (Large, X large)
196cm+ /6´5″+91cm / 36″62,63cm (XX Large)23″,24″ (XX Large)
Men Bike Size Guide

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Bike Size Guide For Men

What Size Bike Do I Need For My Kid?

Finding the right-sized bike for a kid is a bit different than sizing a bike for an adult.

Kids bikes are typically sized by the diameter of their wheels. The wheel measurements for a kids bike is usually between 12-24”.

Any bigger than this and your child is ready for an adult size bike. 

While many kids’ bikes are classified by age, this is not always an accurate way to decide what size bike is best for your kid.

There is a lot of variation in height when it comes to children, so the best way to find the right bike size is to calculate their height and inseam, then compare it with a size chart. 

If you’re able to browse bikes in-store, the standover test is another great option.

For a kids’ bike, the main way to make sure that the bike is the right size is to have their inseam be at least as tall as the top of the bike frame.

Bike Size Chart Kids (Unisex)

What’s the right bike size for my kid? In the table below you will find the bike size chart for Kids:

Wheel SizeAge (Years)Height (Inch)Height (cm)
BalanceFirst Bike2´11″ – 3´5″88 – 105
12″3 – 5 3´3″ – 3´8″98 – 112
14″4 – 63´5″ – 3´10″105 – 117
16″ / 18″5 – 73´8″ – 4´2″112 – 127
20″6 – 93´10″ – 4´6″117 – 136
24″8 – 114´2″ – 4´9″127 – 145
26″9 – 124´6″ – 5´0″138 – 154
Bike Size Guide For Kids (Unisex)

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Bike Size Guide Kids

What are track bikes designed for and what are their unique characteristics?

Track bikes are specifically designed for racing on a velodrome in a sport known as track cycle racing. These bikes are characterized by their lack of brakes and fixed rear wheel, which are key features required for competitive racing on a track.

It is important to note that due to their design, track bikes are not legal for use on regular roads. Additionally, some track bike enthusiasts may refer to them as “fixies” when riding them on the road.

What distinguishes fixie and single speed bikes from other types of bikes and what are their advantages?

Fixie and single speed bikes stand out from other types of bicycles primarily due to their simplicity and design focused on urban mobility. These bikes are tailored for easy and reliable transportation around the city, especially on relatively flat roads.

Their distinguishing feature lies in their drivetrain mechanism – fixie bikes have a rear cog directly connected to the rear wheel, eliminating the ability to coast, whereas single speed bikes feature a freewheel that enables coasting.

The main advantage of fixies and single speed bikes is their minimalistic setup, offering a straightforward and low-maintenance riding experience. With no gears to shift, they are known for their affordability and practicality, making them popular choices for urban dwellers seeking economical and stylish transportation solutions.

The lack of gears also contributes to their lighter weight and clean aesthetic, providing the rider with a more direct connection to the road.

Additionally, these bikes are often seen as fashion statements, combining functionality with a distinct urban flair that appeals to many riders.

What are touring bikes known for and in what scenarios are they most suitable?

Touring bikes are highly sought after for multiple-day adventures due to their reputation for being user-friendly, dependable, and robust enough to accommodate heavy luggage.

Known for their exceptional comfort, touring bikes are versatile enough to navigate various terrains. Although they may come with a weight penalty that could affect their speed, these bikes are most ideally reserved for genuine escapes where endurance and resilience are key.

What are the key features and uses of folding bikes?

Folding bikes are designed for individuals seeking efficient transportation options while dealing with limited storage space or combining biking with bus and train travel.

These bikes can be easily collapsed for compact storage and enhanced portability. Key features of folding bikes include limited gearing and smaller wheels, making them most suitable for short urban rides on flat terrains.

Despite their compact design, the smaller wheels and reduced size of the bike may result in less stability when riding at higher speeds.

Overall, folding bikes offer convenience for urban commuting and short-distance travel but may not be as ideal for longer trips or rougher terrains.

What are hybrid bikes and what type of riding are they best suited for?

Hybrid bikes are versatile bicycles that are well-suited for riders looking for a comfortable and upright riding position. Originally thought to be a mix between road and mountain bikes, modern hybrids are better described as recreational fitness bikes.

These bicycles are ideal for leisurely rides on paved surfaces without a focus on speed or high performance. While some hybrids come without suspension, others may have suspension in the front wheel and below the saddle, making them suitable for individuals with chronic neck or back pain who are interested in taking up cycling.

What are bike frames made of?

Bike frames are commonly made from materials such as aluminium, carbon fiber, steel, and titanium. The choice of material often depends on factors like budget and the type of riding intended.

Carbon fiber is widely regarded as a high-performance material used in top-tier bicycles due to its light weight and stiffness. Aluminum frames offer a good balance of strength, stiffness, lightness, and affordability.

Steel, a classic material, is preferred for its durability and is suitable for bikes meant for carrying loads or those with a traditional aesthetic. Titanium frames are known for their unique ride feel, lower weight, and exceptional longevity, making them a premium choice for riders looking for high performance and durability.

Each material has its own advantages and it’s essential to consider factors like engineering, quality, and price point when determining the overall quality of a bike frame.

What is the price point to consider when buying a bike?

When determining the price point for purchasing a bike, it is crucial to consider your budget and how much you are willing to invest in this purchase.

Mountain and road bikes designed for specific purposes often come with a starting price of over AU$1,000, while some may even cost significantly more. On the other hand, if you are looking for more budget-friendly options, there are bikes that could start as low as AU$200, but it’s essential to keep in mind that the quality of the bike often aligns with the price.

To make an informed decision based on your budget, using resources like BikeExchange can provide you with a clear overview of the available options within your price range. Additionally, remember to allocate funds for any additional parts and accessories that may be required for your biking needs.

What are the potential drawbacks of buying a child a bike that is too large for their current size?

Buying a child a bike that is too large for their current size can have several potential drawbacks. One issue is that if the bike is too big, the child may struggle to ride it comfortably and feel nervous or lack confidence, especially if they are just learning to ride.

Additionally, if the child cannot easily put a foot down while riding, they may have difficulty maintaining balance and may be at higher risk for accidents or falls.

Overall, choosing a bike that is too large for a child can impact their riding experience, safety, and overall enjoyment of cycling.

What Size Bike Do I Need For a 6 Year Old?

Learning to ride a bike is a pivotal point in the development of any child’s motor skills. At 6 years old, the average youngster is just learning to ride.

You’ll want to make that experience as comfortable as possible to minimize injury and encourage a positive and rewarding experience.   

What size bike do I need for a 6 year old? A 16” wheel will work for most 6-year-olds up to 4 feet tall. However, if your little buddy is a little taller, there’s a chance you may want to consider the next size up. 

Kids come in all shapes and sizes so the best way to get a good fit is a test drive. Go to the store, pick a likely suspect, and help your child step on.

Both feet should be flat on the ground allowing for a bit of a gap when standing. 

Comfort is the key. When seated with feet on vertical peddles, if your child is using their tippy toes to make contact, it may require a simple seat adjustment.

Next, take a look at how they manage the handles. If they have to reach to far you may want to consider the next size down.  

What size bike do I need for a 7-year-old?

What size bike do I need for a 7 year old? Though different factors will play into the size bike you will choose for your seven-year-old, the bike will fall in the 16-inch to 20-inch range. You also have to consider the measurement of their inseam to ensure that the bike size you choose for your child will be safe for them to ride on.

If a child is age seven and has an inseam anywhere from 18 – 22 inches by 45-55 cm, the range most normal seven-year-olds will fit into, a bike size of 16-inches is the appropriate size.

However, if your child is on the smaller side by quite a bit, you can go for a 14-inch, but keep in mind that if they are close to an 18-inch inseam, you will likely have to buy a bigger bike earlier.

If your child is taller for their age or at the 20-22 inch inseam range, you are OK to opt for the 18-inch bike.

This can be safely ridden by a child starting at a 20-inch inseam. Following that vein, if a child is pushing close to that 24-inch inseam, you are safe to go up to the 20-inch bike.

What Size Bike Do I Need For A 10 Year Old?

As your child gets older, it’s understandable that finding the right size bike may be a bit more tricky. 10-year-olds are usually on the cusp between needing a kids bike and the smallest adult-sized bike.

What size bike do I need for a 10 year old? If you’re looking at places that sell bikes, you’ll likely see 24” as the standard size for this age, however, that may not always be the case for your child. At this age, your child may be ready for a larger bike, but they may also like to stay at a smaller bike size as well.

This is a very common situation for this age.

Like with any bike, you’ll never want to base the bike size on the child’s age.

The best way to find the right bike size is always going to be by calculating the child’s height and leg inseam, then comparing it to a size chart.

When available, trying the bike before you buy it is always a great choice as well.

What Size Bike Do I Need If I Am 5’2?

You can determine the size by taking the inseam and height into account for this. Forget just standing near a bike and guessing; the best-sized bike can be picked by focusing on measurement.

What size bike do I need if I am 5´2”? A bike rider that is 5’2 inches tall will want to look at bikes with a frame size anywhere from 49 cm to 50 cm. However, If your height comes more from your legs, looking at the 50 cm frame will be more likely to be the right fit.

The best thing to remember is that you have to be able to ride the bike safely. If you sit on a bike and can not reach the ground, look into why.

The best way to determine if it should be on the lower or higher end of the scale is to try out the bike. If that is not possible, then look at your body type.

If you have a longer torso, you will want to err on the side of the shorter frame.

Can you lower the seat? Is it an adjustable angle? If everything is as low as it can go and you can’t touch the ground, the bike is not safe to ride. Go down to the 49 cm at that point.

What Size Bike Do I Need If I am 5´4?

What size bike do I need if I am 5´4”? At 5’4” a 24’” to 26” wheel works great. Frame height is the standard of measure for adult bikes, so the first thing to consider is age and ability. The 24” wheel is generally considered the last stop for kids bikes, but there are plenty available for adults as well.

The best fit is an individual fit, so consider these important factors when trying the next bike on for size.

Center Bar Height

Straddle the center bar with both feet flat on the ground, you’ll want about 1 or 2 inches of a gap for comfort. 

Seat Position 

Usually, this is a setting that can easily be adjusted. With the pedals in a vertical position, make contact with both feet. If you are overextending to reach the pedal consider an adjustment or a smaller size.

Related reading: Why Do Cyclist Have Their Seat So High? (SADDLE HEIGHT)

Handle Bar Reach

Both hands on the wheel now, get those paws on the grips. If it’s uncomfortable, and you are reaching too far, look to something a little smaller. 

There’s no substitute for comfort. If your bike isn’t comfortable, chances are, you won’t want to ride it.

So, before you purchase your next set of wheels, try a few out and get to know what fits you best.

How does the geometry of gravel bikes differ from road race bikes?

Gravel bikes differ from road race bikes in terms of their geometry with a more relaxed and upright riding position. This is because gravel bikes require riders to have the flexibility to shift their weight and maneuver over obstacles when riding off-road.

The upright position of gravel bikes also serves to enhance comfort and stability when navigating uneven terrains compared to the more aggressive and aerodynamic position on road race bikes.

What are the considerations for gravel bike sizing compared to road bike sizing?

When comparing gravel bike sizing to road bike sizing, it is important to consider the different riding positions required for each type of bike.

Gravel bikes typically have a more relaxed and upright riding position compared to road bikes. This is because when riding off-road, you need to be able to shift your weight more freely to balance and steer over obstacles.

The more upright position of a gravel bike also provides greater comfort when riding on uneven terrain. However, if you are interested in gravel racing, the geometry of many high-performance gravel bikes may feature a longer and lower position. This design can help reduce your frontal profile, potentially increasing your speed during races.

Therefore, when choosing a gravel bike size, factors such as riding position, comfort on different terrains, and your specific cycling goals should all be taken into consideration.

What are the frame size recommendations based on rider height for mountain bikes?

When choosing a mountain bike, it’s crucial to ensure that the frame size matches your height for a comfortable and efficient ride. Here are the general frame size recommendations based on rider height for mountain bikes:

– Extra-small frames are suitable for riders between 152cm and 162cm (5ft – 5ft 4in) with frame sizes typically ranging from 13-14 inches.

– Small frames cater to riders measuring between 162cm and 170cm (5ft 4in – 5ft 7in) with frame sizes typically ranging from 14-16 inches. – Medium frames accommodate riders in the height range of 170cm to 178cm (5ft 7in – 5ft 10in) with frame sizes generally between 16-18 inches.

– Large frames are ideal for riders between 178cm and 185cm (5ft 10in – 6ft 1in) with frame sizes typically between 18-20 inches.

– Extra-large frames are recommended for riders who are 185cm tall or taller (6ft 1in plus) with frame sizes usually between 20-22 inches.

Selecting the right frame size based on your height will help enhance your riding experience by ensuring proper fit, comfort, and control on the trails.

What is the road bike size guide?

The road bike size guide provides information on how road bikes are typically sized, often using seat tube length in centimetres as a reference point.

The sizing may vary based on whether the frame has a sloping or horizontal top tube. In some cases, bike sizes are labeled using letters like S, M, L, and sometimes XS and XL.

Different brands may have their own unique sizing systems, so it is important to refer to the brand’s specific size information or examine the road bike’s geometry chart to determine the most suitable size for a rider.

For a more comprehensive understanding of road bike sizing, it is recommended to consult a detailed road bike sizing guide.

How are bike sizes measured?

Bike sizes are measured in different ways depending on the type of bike. Road bike sizes are typically measured in centimetres based on the length of the seat tube, while mountain bike frame sizes are usually measured in inches due to their origin in the US.

The seat tube length of a road bike varies based on frame geometry, and mountain bike frames generally have shorter seat tubes compared to road bikes. Some brands simplify sizing by using T-shirt sizes (S, M, L) based on rider height, but this can vary between brands and may not be consistent for road and mountain bikes.

Children’s bikes have another sizing method, often based on the child’s age or the bike’s wheel size.

How do women’s bike sizes vary across different brands and designs?

Across different brands and designs, women’s bike sizes vary in several ways. Some brands offer women’s-specific geometry and bike ranges that are designed from the ground up, resulting in a range of sizes tailored specifically for women.

On the other hand, there are brands that believe there are more differences in body proportions within the same sex than between sexes, and therefore label all their bikes as unisex, following a ‘unisex’ size guide. Additionally, certain brands may provide ‘unisex’ frames but with specification tweaks to accommodate women better.

This can include adjustments such as utilizing smaller wheels on smaller frame sizes to maintain consistent geometry and handling across the range.

Overall, the approach to women’s bike sizes can vary significantly among brands and designs, with some prioritizing tailored options and others opting for more universal sizing strategies.

Bike Size Guide: 7 Easy Ways to Finding The Right Bike Size

How to Find The Right Size Bike

If you want to choose the right bike size, just follow one of the 7 methods we have found for you:

Method #1: Use a Simple Bike Size For Height Chart

Simple bike size for height can be found in pretty much every corner of the internet. But, to make your search for the perfect bicycle easier, you can take a look at our one below:

Your HeightThe Best Bike Size For You
4ft11 to 5ft313 inches to 15 inches
5ft3 to 5ft715 inches to 16 inches
5ft7 to 5ft1116 inches to 17 inches
6ft to 6ft217 inches to 19 inches
6ft2 to 6ft419 inches to 21 inches
6ft4 and over21 inches and over
Bike Size For Height

It is worth noting that these sizes won’t apply to every manufacturer (as annoying as we know this is!). Think of it this way — a size medium in Topshop isn’t the same as a medium in Primark, right?

Exactly! You will need to look out for that variation when you are bike shopping.

For those of you who want a little more detail in your size chart but aren’t a fan of the “advanced” ones, the following table is the one for you:

Your Leg InseamYour Leg Inseam
Road BikeMountain BikeYour Best Frame Size
75 cm50 cm15 inches to 16 inches
76 cm51 cm15 inches to 16 inches
77 cm52 cm15 inches to 16 inches
78 cm52 cm16 inches to 17 inches
79 cm53 cm16 inches to 17 inches
80 cm54 cm16 inches to 17 inches
81 cm54 cm17 inches to 18 inches
82 cm55 cm17 inches to 18 inches
83 cm56 cm18 inches to 19 inches
84 cm56 cm18 inches to 19 inches
85 cm57 cm20 inches to 21 inches
86 cm58 cm20 inches to 21 inches
87 cm58 cm20 inches to 21 inches
88 cm59 cm20 inches to 21 inches
89 cm60 cm20 inches to 21 inches
90 cm62 cm22 inches

Method #2: Figure Out the Size of the Bike

We understand that not everyone wants to stare at a chart and try to figure the bike sizes out. So, instead, you can do some calculations. Just follow the steps below to work it out.

Step One: Measure Your Leg

Okay, we don’t mean your entire foot to hip leg. Instead, you need to measure your leg’s inseam.

Firstly, take your shoes off. Then, stand with your legs apart. You need to aim to have them 6 inches to 8 inches apart (around 15 cm to 20 cm).

After that, you can measure the height from your crotch to the ground. 

Step Two: Figure Out the Type of Bike You Want

Decide whether you want a mountain bike, road bike, or a city bike.

Mountain bikes are most commonly used for the average cyclist. They are meant to be used over rough terrain like forests etc. Contrary to popular belief, they are different in a lot of ways (more than just the tires).

These bikes have more suspension on the forks, heavy-duty wheels, and so much more.

Road bikes are very special. They are only used when riding on the tarmac and are far too fragile for anything else. They are fantastic for speed, aerodynamic positions, and lightness.

City bikes, on the other hand, are far better for the city roads. You get lights, fenders, chain guard, bicycle stand, and a rear rack with these guys.

They have between 1 and a whopping 27 gears. But you will definitely pay for that.

Step Three: Calculate the Right Bike Size For You

As you may imagine, there are different calculations depending on the type of bike you want to purchase. Let’s take a look at the calculations.

For City Bikes:

Multiply your leg seam measurement in centimeters by 0.685. This equals your correct frame size.

For Mountain Bikes:

Multiply your leg seam measurement in centimeters by 0.66. This equals your correct frame size for a mountain bike.

For Road Bikes:

Multiply your leg seam measurement in centimeters by 0.7. This equals your correct frame size for a road bike.

Method #3: Advanced Bike Size Chart

Yes, we have already looked at a simple bike size guide. But, if you are getting more into cycling, you might want to start consulting the following specific charts depending on the type of bike you are looking to buy.

Mountain Bike Size Chart

What’s the right Mountain bike size for me? In the table below you will find a detailed Mountain bike size chart:

Your HeigthYour HeightYour Leg InseamYour Leg InseamBest Frame SizeBest Frame Size
Feet and InchesCentimetersInchesCentimetersInchesSizes
4ft10 to 5ft1148cm to 158cm24 inches to 29 inches61cm to 73cmLess than 14 inchesExtra small
5ft1 to 5ft5158cm to 168cm25 inches to 30 inches63cm to 76cm15 inches to 16 inchesSmall
5ft5 to 5ft9168cm to 178cm26 inches to 31 inches66cm to 78cm16 inches to 17 inchesMedium
5ft9 to 6ft178cm to 185cm27 inches to 32 inches68cm to 81cm17 inches to 18 inchesLarge
6ft to 6ft3185cm to 193cm28 inches to 33 inches71cm to 83cm18 inches to 19 inchesExtra large
6ft3 to 6ft6193cm to 198cm29 inches to 34 inches73cm to 86cmOver 19 inchesExtra extra large
Mountain Bike Size Guide

Road Bike Size Chart

What’s the right Road bike size for me?  In the table below you will find a detailed Road bike size chart:

Your HeigthYour HeightBest Frame SizeBest Frame Size
Feet and InchesCentimetersCentimetersSize
4ft10 to 5ft148cm to 152cm47cm to 48cmExtra extra small
5ft to 5ft3152cm to 160cm49cm to 50cmExtra small
5ft3 to 5ft6160cm to 168cm51cm to 53cmSmall
5ft6 to 5ft9168cm to 175cm54cm to 55cmMedium
5ft9 to 6ft175cm to 183cm56cm to 58cmLarge
6ft to 6ft3183cm to 191cm58cm to 60cmExtra large
6ft3 to 6ft6191cm to 198cm61cm to 63cmExtra extra large
Road Bike Size Guide

City Bike Size Chart

What City bike size do I need? In the table below you will find a detailed City bike size chart:

Your HeightYour HeightYour Leg InseamYour Leg InseamBest Frame SizeBest Frame Size
Feet and InchesCentimetersInchesCentimetersInchesSize
4ft10 to 5ft1147cm to 155cm24 inches to 29 inches61cm to 73cm14 inchesExtra small
5ft1 to 5ft5155cm to 165cm25 inches to 30 inches63cm to 76cm15 inchesSmall
5ft5 to 5ft9165cm to 175cm26 inches to 31 inches66cm to 78cm16 inchesMedium
5ft9 to 6ft175cm to 183cm27 inches to 32 inches68cm to 81cm17 inchesLarge
6ft to 6ft3183cm to 191cm28 inches to 33 inches71cm to 83cm18 inchesExtra large
6ft1 to 6ft6191cm to 198cm29 inches to 34 inches73cm to 86cm19 inchesExtra extra large
City Bike Size Guide

Electric City Bike Size Chart (Unisex)

What’s the right Electric bike size for me? In the table below you will find a detailed Electric bike size chart:

Your HeightInside legRoad E-Bike SizeMountain E-Bike Size
147cm-152cm / 4´10″-5´0″66cm / 26″47,48cm (XX Small)13″ (X Small)
152cm-160cm / 5´0″-5´3″69cm / 27″49,50cm (X Small)13″,14″ (X Small)
160cm-170cm / 5´3″-5´7″71cm / 28″51,52,53cm (Small)15″,16″ (Small)
170cm-175cm / 5´7″-5´9″76cm / 30″54,55cm (Medium)17″,18″ (Medium)
175cm-180cm / 5´9″-5´11″79cm / 31″56,57,58cm (Large)(Giant-ML)18″,19″ (Medium, Large)
180cm-188cm / 5´11″-6´2″81cm / 42″59,60cm (X Large)19″, 20″ (Large)
188cm-196cm / 6´2″-6´5″86cm / 34″60,61,62cm (X Large, XX Large)20″,21″,22″ (Large, X Large)
196cm+ / 6´5″+91cm / 36″62,63cm (XX Large)23″, 24″ (XX Large)
City Bike Size Guide

Hybrid Bike Size Chart

What is the right hybrid bike size do I need? In the table below you will find a detailed Hybrid bike size chart:

Your HeigthInside legHybrid Bike Size (for Men)
147cm-152cm / 4´10″-5´0″66cm / 26″13″,14″ (X Small)
152cm-160cm / 5´0″-5´3″69cm / 27″14″,15″ (X Small, Small)
160cm-170cm / 5´3″-5´7″71cm / 28″15″,16″ (Small)
170cm-175cm / 5´7″-5´9″76cm / 30″17″,18″ (Medium)
175cm-180cm / 5´9″-5´11″79cm / 31″19″, 20″ (Large)
180cm-188cm / 5´11″-6´2″81cm / 32″20″,21″ (Large, X Large)
188cm-196cm / 6´2″-6´5″86cm / 34″21″,22″ (Large, X Large)
196cm+ / 6´5″+96cm / 36″23″, 24″ (XX Large)
Hybrid Bike Size Chart For Men
Your HeigthInside legHybrid Bike Size (for Women)
147cm-155cm / 4´10″-5´1″66cm / 26″13″,14″ (X Small)
155cm-160cm / 5´1″-5´3″69cm / 27″14″,15″ (X Small, Small)
160cm-165cm / 5´3″-5´5″71cm / 28″15″,16″ (Small)
165cm-172cm / 5´5″-5´8″76cm / 30″17″,18″ (Medium)
172cm+ / 5´8″+79cm / 31″19″ (Large)
Hybrid Bike Size Chart For Women

Method #4: Use a Bike Fit Calculator

Bike fit calculators are, to put it bluntly, amazing. There are plenty of them available online but we’re going to go over one of the most in-depth ones here (and another super well-known fit calculator later).

Step One: Get Your Bike Size Recommendation

The first thing these calculators ask you to do is to measure yourself in loads of different ways. It will take a little bit of time but it’s definitely worth it in the end.

The measurements you need to take are as follows:

?Your height (floor to head)

? Your collar bone to the floor

? Your crotch to the floor

? Your thigh

? Your armpit to the middle of your palm

? Your shoulder to your eye

? Your foot

Then, you’ll be asked to select the type of bike you want to buy and click calculate to get your results.

Step Two: Enter Your Preferred Setup

If you already have a bicycle that you are 100% comfortable riding, you can use this space to input all the measurements of your current bike.

You will need to enter the following measurements:

? The length of the rider compartment (i.e. middle of saddle to handlebars)

? The saddle over bar height

? The angle of the seat tube

? The saddle height

? The seat post setback

? The crankarm length

Step Three: Bicycle Geometry

If you have your heart and eyes set on a particular new bike, you can fill in this section of the calculator to bring up your bike geometry results.

For those of you who know the size, year, brand, and model of your preferred bike, then you can import all the measurements with one click.

Otherwise, you will have to input the following one-by-one:

✔️ The seat tube length

✔️ The seat tube angle

✔️ The height of the lower stack

✔️ The height of the upper stack

✔️ The head tube length

✔️The head tube angle

✔️ The fork rake

✔️ The fork length

✔️ The diameter of the front and rear wheel

✔️ The length of the chainstay

✔️ The top tube length

✔️ The bottom bracket drop

Step Four: Stem, Seat Post, and Headset Spacer

Once you have gone through the former sections, you are provided with the proper stem, headset spacer, and seat post measurements for you.

They will tell you the following bits of information:

? The stem angle

? The stem clamp height

? The stem outer diameter

? The stem length

? The height of the headset spacer

? The seat post setback

? The saddle seat tube top

? The height of the saddle

Bike Size Calculator: Which One Should I Use?

There are a few different methods you can use when it comes to calculating the exact size bike you need.

The easiest is to use a bike/height chart that lists ranges of heights to ranges of bike sizes.

This method only provides an estimate, however, so if you’re looking for an exact measurement you’ll need to do some measuring yourself.

For a more detailed calculation, you’ll want to measure your leg inseam (inside leg measurement). To do this, simply stand with your feet about shoulder length apart and measure in cm from the ground to your crotch.

Then take that number and multiply it by the number for the type of bike you are looking to purchase.

For average city bikes, multiply your leg inseam by 0.685. For road bikes, the inseam should be multiplied by 0.70, and for mountain bikes multiply by 0.66. Upon doing this, you should be able to know your exact bike size height.

If doing math isn’t your thing, you can also look at other online bike size charts.

If you’re still hesitant after trying all these methods, it’s always a good idea to go in person and ask for a bike specialist’s help.

Method #5: Use The Amazon Fit Guide

These days, it’s likely that you’re going to buy a bike online. Probably on Amazon. Are we right? We thought so! Thankfully, Amazon has put together their own adult bike sizing charts for you to use.

For your convenience, you can take a sneak peek at one of them here. The company has made one for road bikes and one for mountain bikes.

Let’s take a little look!

Adult Road Bike Amazon Fit Guide

Your HeightYour Leg InseamYour Best Road Bike Size
5ft27 inches or lessExtra small (49 cm)
5ft127 inches or lessExtra small (49 cm)
5ft227 inches or lessExtra small (49 cm)
5ft327 inches to 29 inchesExtra small (49 cm)
5ft427 inches to 29 inchesExtra small (49 cm) or Small (52 cm)
5ft527 inches to 29 inchesSmall (52 cm)
5ft627 inches to 29 inchesSmall (52 cm)
5ft729 inches to 31 inchesSmall (52 cm)
5ft829 inches to 31 inchesSmall (52 cm) or Medium (54 cm)
5ft929 inches to 31 inchesMedium (54 cm)
5ft1029 inches to 31 inchesMedium (54 cm) or Large (56 cm)
5ft1131 inches to 33 inchesLarge (56 cm)
6ft31 inches to 33 inchesLarge (56 cm) or Extra large (58 cm)
6ft131 inches to 33 inchesExtra large (58 cm)
6ft233 inches to 35 inchesExtra large (58 cm)
6ft333 inches to 35 inchesExtra large (58 cm) or Extra extra large (61 cm)
6ft435 inches or moreExtra extra large (61 cm)
6ft535 inches or moreExtra extra large (61 cm)
6ft635 inches or moreExtra extra large (61 cm)
Amazon Bike Size Guide

Method #6: Use the JensonUSA Bike Fit Calculator

These guys seriously know what they’re doing when it comes to bikes.

Their calculator is insanely detailed so they can be sure that they’re giving you only the best advice (even when they can’t physically see you). (more info: JensonUSA Bike)

Method #7: Get a Pro Bike Fit

Getting a professional bike fit is a sure-fire way to ensure your bicycle is set up perfectly.

The experts are trained to take your proper measurements and help you choose the right bike for you.

Not only do they take all of the above into consideration, but they also think about your style, goals, flexibility, and strength.

Yep, nothing could be more personal than getting yourself an expert bike fit.

Bike Frame Size: What To Consider?

The bike frame size is second only to deciding what type of bike you want to purchase. The kind of bike will also slightly affect the frame size you are looking at, so keep that in mind.

There are a few things to consider when choosing your bike frame size. First, you are going to have to decide what kind of bike you are buying.

Hybrid and Mountain bike frame sizes will vary slightly. Once you have decided what type of bike you are getting, you will then go into how to choose the right frame size for that kind of bike.

Measure, measure, measure. This point can not be overstated.

You will want to consider your height as well as your inseam. Remember, when you are taking your inseam measurement, do not just use one of your pants.

The more precise you are in your sizes, the better the fit of your bike will be.

The best way to measure your inseam is to stand straight with your back against the wall. Then spread your legs anywhere from six to eight inches apart.

Put a book between your legs, spine up, and against the wall. Put it snug against you to imitate the seat of your bike.

Have someone measure the length from the floor to the top of that book.

That is your inseam for your bike.

Keep in mind that it may also benefit you to measure your arm length and your torso height to pick the best bike frame for you.

Measuring your arm should be from the center of the palm to your collarbone.

For your torso, measure from the bottom of the v type bone at the top of your sternum down to your groin.

Bike Size Chart: What To Consider

A good bike sizing chart can come in real handy when making the best purchase decision. Buying bikes online is becoming more popular every day.

Remember to use the chart as a guide. So, even if you are making an online purchase, it may help to pay a visit to your local bike store to get an idea for the size that works for you.

At the end of the day, it won’t matter what the chart says if you aren’t comfortable. 

The two biggest considerations with any sizing chart are age and height.

Another thing that comes in handy when making an online purchase is the rider’s inseam.

This gives you a good idea of reach. For most children under five, balance bikes and tricycles are a great introduction to bikes but some kids get started pedaling early so choose the frame to fit the rider.

Kids grow up fast and it may be tempting to buy a bike that your child can “grow with.” Focus on making the bike riding experience easy and enjoyable.

The same thing applies for adults, If the bike is hard to ride, it will most likely end up collecting dust in the shed. 


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John Muranko

John is Founder and Senior Bike Editor at ProBikeCorner. John is a bike and travel addict who has cycled through 17+ countries and doesn't really have any plans of stopping. He´s passionate about helping others by creating technical resources, in-depth reviews and more…

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