P215/40R18 in Inches

P215/40R18 tire size conversion to inches with detailed visualization of tire height, width, diameter, rim size and more.

What is P215/40R18 in inches?

When we convert P215/40R18 to inches, it is equivalent to 24.8x8.5R18. Let us break down the tire size dimensions for better understanding. 8.5 inches or 215 mm stand for section width, or width of the tire tread. 24.8 inches or 629 mm represent the overall diameter of the tire, or tire height. 18 inches is the rim diameter, or the diameter of the wheel the tire can be mounted on.

P215/40R18 Section Width
8.5"
24.8"
P215/40R18 Tire Side
Tire Circumference
77.9"
18"
3.4"
813 Revs/Mile
Metric Inches
Overall Diameter 629 mm 24.8"
Tread Width 215 mm 8.5"
Rim Diameter 457 mm 18"
Sidewall Height 86 mm 3.4"
Circumference 1975 mm 77.9"
Revolutions 506 per km 813 per mile
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What is P215/40R18 tire width?

P215/40R18 tire has a width of 8.5 inches or 215 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 P215/40R18 tire height?

P215/40R18 tire has an overall diameter of 24.8 inches or 629 mm that represents the outer diameter of the tire or tire height.

What is P215/40R18 tire sidewall height?

P215/40R18 tire has a sidewall height of 3.4 inches or 86 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 P215/40R18 rim diameter?

Rim or wheel diameter is generally measured in inches, representing the size of the wheel the tire can be mounted on. P215/40R18 tire can be mounted on 18 inch wheels.

What is P215/40R18 tire circumference?

P215/40R18 tire has a circumference of 77.9 inches or 1975 mm that represents the outer perimeter of the tire.

How many revolutions P215/40R18 tire makes?

Tire revolutions indicate the number of times a tire revolves while it covers the distance of a mile or a kilometer. P215/40R18 tire completes 813 revolutions per mile or 506 revolutions per kilometer.

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