P255/55R20 in Inches

P255/55R20 tire size conversion to inches with detailed visualization of tire height, width, diameter, rim size and more.

What is P255/55R20 in inches?

When we convert P255/55R20 to inches, it is equivalent to 31x10R20. Let us break down the tire size dimensions for better understanding. 10 inches or 255 mm stand for section width, or width of the tire tread. 31 inches or 788 mm represent the overall diameter of the tire, or tire height. 20 inches is the rim diameter, or the diameter of the wheel the tire can be mounted on.

P255/55R20 Section Width
10"
31"
P255/55R20 Tire Side
Tire Circumference
97.3"
20"
5.5"
651 Revs/Mile
Metric Inches
Overall Diameter 788 mm 31"
Tread Width 255 mm 10"
Rim Diameter 508 mm 20"
Sidewall Height 140 mm 5.5"
Circumference 2474 mm 97.3"
Revolutions 404 per km 651 per mile
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What is P255/55R20 tire width?

P255/55R20 tire has a width of 10 inches or 255 mm that reflects the measurement of tire's width from its inner sidewall to its outer sidewall at the widest point (excluding decorations, protective ribs or raised letters). Tire width is also called tread width, section width or cross section width. Tire width should be measured without any load placed upon the tire after it has been properly inflated and mounted on its industry assigned measuring rim.

What is P255/55R20 tire height?

P255/55R20 tire has an overall diameter of 31 inches or 788 mm that represents the outer diameter of the tire or tire height.

What is P255/55R20 tire sidewall height?

P255/55R20 tire has a sidewall height of 5.5 inches or 140 mm which is the measurement of tire sidewall from the wheel rim to the top of tire tread. Tire sidewall height or "profile" depends on aspect ratio - lower aspect ratio means lower tire profile.

What is P255/55R20 rim diameter?

Rim or wheel diameter is generally measured in inches, representing the size of the wheel the tire can be mounted on. P255/55R20 tire can be mounted on 20 inch wheels.

What is P255/55R20 tire circumference?

P255/55R20 tire has a circumference of 97.3 inches or 2474 mm that represents the outer perimeter of the tire.

How many revolutions P255/55R20 tire makes?

Tire revolutions indicate the number of times a tire revolves while it covers the distance of a mile or a kilometer. P255/55R20 tire completes 651 revolutions per mile or 404 revolutions per kilometer.

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