How are Skateboard Wheels Measured

Do you know the significance of the measurement of skateboard wheels? Understanding the right size and hardness of your wheels can greatly impact your skateboarding experience. In this blog post, we will delve into the importance of measuring skateboard wheels and reveal the essential factors you need to consider when choosing the right wheels for your skateboard. By the end of this post, you will have a clear understanding of how skateboard wheels are measured and how it can affect your performance and safety on the board.

Key Takeaways:

  • Diameter is the most important measurement: When measuring skateboard wheels, the diameter is the most crucial measurement to consider. This affects the speed of the skateboard and how it handles different terrain.
  • Hardness also matters: The durometer rating of the wheels determines their hardness. Softer wheels provide more grip and shock absorption, while harder wheels are faster but less forgiving on rough surfaces.
  • Width is a factor, but less important: The width of the wheels can affect stability and maneuverability, but it is generally less critical than the diameter and hardness of the wheels.
How are Skateboard Wheels Measured

1.Understanding Skateboard Wheel Dimensions

Now, when it comes to understanding skateboard wheel dimensions, it’s important to familiarize yourself with the key factors that determine ride quality. If you’re new to skateboarding, it can be overwhelming to navigate the various measurements and terminology associated with skateboard wheels. However, having a good grasp on these dimensions is crucial for selecting the right wheels for your riding style and preferences. To delve deeper into this topic, you can also check out A Guide to Buying Skateboard Wheels.

Diameter: The Key to Ride Quality

When it comes to skateboard wheel dimensions, diameter is a crucial factor that directly impacts your ride quality. The diameter of your skateboard wheels determines the height of the wheels, which in turn affects your speed, acceleration, and overall performance. Smaller wheels typically offer quicker acceleration and agile maneuvers, while larger wheels provide better speed and stability. Understanding how wheel diameter influences your ride will help you make an informed decision when choosing your skateboard wheels.

Width and Contact Patch: Traction and Stability

Another important factor in skateboard wheel dimensions is the width and contact patch. The width of the wheel contributes to the overall stability and grip of your skateboard. Additionally, the contact patch, which is the part of the wheel that comes into contact with the ground, plays a crucial role in providing traction and control while you’re riding. Wider wheels offer better stability and grip, while narrower wheels can provide a more agile feel. Understanding how these dimensions impact your riding experience will help you choose the best wheels for your needs.

2.The Durometer Scale: Measuring Wheel Hardness

Some of the most important characteristics of skateboard wheels are their hardness and grip. The Durometer scale is used to measure the hardness of skateboard wheels. This scale is a widely used standard for measuring the hardness of various materials, including rubber, plastics, and elastomers. For skateboard wheels, the Durometer scale ranges from 1 to 100, with higher numbers indicating harder wheels and lower numbers indicating softer wheels.

How Durometer Influences Performance

The hardness of your skateboard wheels directly impacts your performance on the board. Harder wheels (measuring 99a and above) are more durable and faster, making them ideal for smooth surfaces like skateparks and ramps. The disadvantage of harder wheels is decreased grip, especially on rough or uneven terrain. On the other hand, softer wheels (measuring 75a-90a) provide better grip and shock absorption, making them suitable for street skating and cruising on rough surfaces. However, softer wheels wear down faster and may not perform as well on smooth surfaces.

Interpreting the Durometer Ratings

When selecting skateboard wheels, it’s essential to consider how the Durometer rating will affect your overall skateboarding experience. For instance, if you primarily skate in a skatepark, you may benefit from harder wheels that provide increased speed and durability. Alternatively, if you enjoy street skating on rough terrain, you may prioritize softer wheels for better grip and shock absorption. Remember that finding the right balance between hardness and grip is crucial for optimizing your skateboarding performance and safety.

3.Wheel Shapes and Their Impact on Measurement

Despite skateboard wheels all appearing to be the same basic shape, there are actually a variety of different wheel shapes that can impact the way they are measured. Understanding these shapes and their impact on measurement is crucial for selecting the right wheels for your skateboard.

The Different Types of Wheel Shapes

When it comes to skateboard wheel shapes, there are several different options to consider. The most common shapes include street, park, cruiser, and longboard wheels. Each of these shapes is designed for specific types of skateboarding, with street wheels being the smallest and hardest, while longboard wheels are the largest and softest. This variation in size and hardness will impact the way you measure and select your wheels.

Wheel ShapeImpact on Measurement
Street wheelsSmallest and hardest, measured in millimeters and durometer rating
Park wheelsMedium size and hardness, measured in millimeters and durometer rating
Cruiser wheelsMedium-large size and hardness, measured in millimeters and durometer rating
Longboard wheelsLargest and softest, measured in millimeters and durometer rating
Wheel ShapeImpact on Performance
Street wheelsExcels in technical tricks and maneuvers
Park wheelsOffers a balance of speed and maneuverability
Cruiser wheelsProvides a smooth ride for commuting and cruising
Longboard wheelsDesigned for stability and smooth, long-distance rides

This variation in wheel shapes and their impact on measurement and performance is important to consider when selecting the right wheels for your skateboard.

How Shape Affects Measurement and Performance

The shape of your skateboard wheels can have a significant impact on both measurement and performance. For example, the size and hardness of the wheels will impact how they are measured, with smaller and harder wheels typically being measured in millimeters and durometer ratings. Additionally, the shape of the wheels will have a direct impact on how they perform on different terrain and in various skateboarding styles.

How are Skateboard Wheels Measured

4.Measuring Your Own Skateboard Wheels

Lastly, if you want to measure your own skateboard wheels, it’s important to do it correctly to ensure safety and proper performance while riding. Here’s a step-by-step guide to accurately measure your skateboard wheels.

Tools Required for Accurate Measurement

Before you begin measuring your skateboard wheels, it’s essential to have the right tools to ensure accuracy. The tools you will need include a ruler or calipers with millimeter measurements and a flat, stable surface to lay your skateboard on for the measurement.

Step-by-Step Guide to Measuring Wheels

When measuring your skateboard wheels, follow these steps to ensure an accurate measurement:

Step 1Place your skateboard on a flat, stable surface.
Step 2Using a ruler or calipers, measure the diameter of the wheel from one side to the other, passing through the center of the wheel.
Step 3Record the measurement in millimeters, which will give you the size of your skateboard wheels.

After following these steps, you should have an accurate measurement of your skateboard wheels, allowing you to make informed decisions about replacements and upgrades.


So now you understand how skateboard wheels are measured and the importance of choosing the right size for your riding style and preference. Remember to consider factors such as diameter, durometer, and contact patch when selecting the perfect set of wheels for your board. By taking these measurements into account, you can ensure optimal performance and a smoother ride on your skateboard.


How are Skateboard Wheels Measured?

Skateboard wheels are measured in millimeters (mm) based on their diameter. The diameter is the distance from one side of the wheel to the other, passing through the center. This measurement represents the size of the wheel and is crucial for determining the speed, performance, and compatibility with different skateboards.

What is the standard size for skateboard wheels?

The most common and standard size for skateboard wheels is 50-60mm in diameter. However, sizes can vary, and the right size for you depends on your skateboarding style, terrain, and personal preference.

How does the size of skateboard wheels affect performance?

Larger wheels (54-60mm) are faster and roll over cracks and pebbles more easily, making them ideal for cruising and transportation. Smaller wheels (50-53mm) are lighter and provide more maneuverability, making them suitable for street and technical skating.

What is the durometer rating and why is it important?

The durometer rating measures the hardness of skateboard wheels. It is indicated by a number followed by the letter “A.” The higher the number, the harder the wheel. Durometer rating is important because it affects the grip, speed, and shock absorption of the wheels.

Can I use different sized wheels on my skateboard?

It is essential to use wheels of the same size on your skateboard. Mixing different-sized wheels can affect the balance and stability of your board. Additionally, using wheels that are too large may cause wheel bite, where the wheels rub against the deck, leading to accidents.

About the author

Spencer Whitney is a passionate e-scooter enthusiast and outdoor adventurer. With a strong background in outdoor activities and a love for running, Spencer combines his expertise to provide valuable information to e-scooter lovers, encouraging responsible and enjoyable rides. Join him on his journey to explore the world of e-scooters from a fresh and diverse standpoint.

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