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Basic Tools

Tire Size Calculator

Calculate tire size dimensions and compare different tire sizes. Enter your tire width, aspect ratio, and wheel diameter to get accurate specifications.

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Tire Size Calculation

Calculating tire size dimensions helps ensure the proper fit and performance of your vehicle. Use this Tire Size Calculator to determine the overall diameter, circumference, and revolutions per mile for your tires.

Understanding tire specifications is crucial for maintaining safety, fuel efficiency, and optimal driving experience.

Step 01: Enter Tire Specifications

Start by entering the tire width (in millimeters), aspect ratio (as a percentage), and wheel diameter (in inches). These values are typically found on the sidewall of your tire.

Step 02: Calculate Tire Dimensions

Click the "Calculate" button to determine the overall diameter, circumference, and revolutions per mile for your tire. This information helps you compare different tire sizes and select the best fit for your vehicle.

Use this tool to ensure that your new tires are compatible with your vehicle and provide the performance you expect.

The tire size dimensions can be calculated using the width, aspect ratio, and wheel diameter. These numbers are often found on the sidewall of the tire and follow the format: Width/Aspect Ratio R Diameter. For example, 205/55R16.

The tire numbers represent important information about the tire's size and capabilities. The first number is the tire width in millimeters, the second is the aspect ratio (height as a percentage of width), and the third number represents the wheel diameter in inches.

By comparing the width, aspect ratio, and diameter of two tires, you can understand how different sizes will affect the overall diameter and circumference. This is important for ensuring proper fit and performance of the vehicle.

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