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Tire Size Calculator

/ R
Tire Height (Diameter) 0 in / 0 mm
Wheel Size 0 in / 0 mm
Sidewall Height 0 in / 0 mm
Tire Width 0 in / 0 mm
Tire Circumference 0 in / 0 mm
Revolutions per Mile 0
Revolutions per Kilometer 0

Understanding Tire Sizes

Tire sizes are represented by a code that contains three main numbers:

Width

The first number represents the tire's width in millimeters from sidewall to sidewall.

Aspect Ratio

The second number is the aspect ratio, representing the tire's height as a percentage of its width.

Wheel Diameter

The last number indicates the wheel diameter in inches.

Example

A tire size of 265/70R17 means: 265mm wide, 70% aspect ratio, fits 17-inch wheel.

The Ultimate Tire Resource

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Fuel Efficiency Impact Calculator

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Gear Ratio Adjuster

Maintain performance after changing tire size (for 4×4/off-road)

Ground Clearance Calculator

Calculate vehicle ground clearance with different tire sizes

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Assess the risk of hydroplaning based on tire and road conditions

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Calculate the right lift for your vehicle and tire combination

Load Index/Speed Rating Decoder

Decode tire load index and speed rating information

OEM Tire Size Lookup

Find the original tire size specifications for your vehicle

Revolutions Per Mile Calculator

Calculate revolutions per mile for any tire size

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Calculate storage fees for summer/winter tires

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Calculate the actual speed based on tire size changes

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Determine the manufacturing date of your tires

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Simulate tire clearance with different wheel and tire combinations

Tire Cost Per Mile Calculator

Calculate the true cost per mile of different tire options

Tire Diameter Calculator

Calculate the overall diameter of your tires

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Welcome to WheelsTire.Com, your trusted online resource for everything related to tires and wheels. Founded by Ahnaf, our goal is to provide accurate, up-to-date, and easy-to-understand information to help drivers make informed decisions about their tires.

From tire maintenance tips and buying guides to brand comparisons and industry news, WheelsTire.Com is here to keep you informed and safe on the road. Whether you’re a first-time car owner or an enthusiast, our content is designed to support every level of knowledge.

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