285/40R18 in Inches

285/40R18 tire size conversion to inches with detailed visualization of tire height, width, diameter, rim size and more.

What is 285/40R18 in inches?

When we convert 285/40R18 to inches, it is equivalent to 27x11.2R18. Let us break down the tire size dimensions for better understanding. 11.2 inches or 285 mm stand for section width, or width of the tire tread. 27 inches or 685 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.

285/40R18 Section Width
285/40R18 Tire Side
Tire Circumference
747 Revs/Mile
Metric Inches
Overall Diameter 685 mm 27"
Tread Width 285 mm 11.2"
Rim Diameter 457 mm 18"
Sidewall Height 114 mm 4.5"
Circumference 2151 mm 84.8"
Revolutions 465 per km 747 per mile
Best Prices on 285/40R18 Tires
TireRack from $313.00
Discount Tire from $313.00
Priority Tire from $326.99
Simple Tire from $313.00

What is 285/40R18 tire width?

285/40R18 tire has a width of 11.2 inches or 285 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 285/40R18 tire height?

285/40R18 tire has an overall diameter of 27 inches or 685 mm that represents the outer diameter of the tire or tire height.

What is 285/40R18 tire sidewall height?

285/40R18 tire has a sidewall height of 4.5 inches or 114 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 285/40R18 rim diameter?

Rim or wheel diameter is generally measured in inches, representing the size of the wheel the tire can be mounted on. 285/40R18 tire can be mounted on 18 inch wheels.

What is 285/40R18 tire circumference?

285/40R18 tire has a circumference of 84.8 inches or 2151 mm that represents the outer perimeter of the tire.

How many revolutions 285/40R18 tire makes?

Tire revolutions indicate the number of times a tire revolves while it covers the distance of a mile or a kilometer. 285/40R18 tire completes 747 revolutions per mile or 465 revolutions per kilometer.

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