285/70R18 In Inches

What size tire is 285/70R18 in Inches?

The 285/70R18 equivalent to 33.7x11.2R18 in inches, as follow:

  • 33.7 inches (856mm) stand for the tire diameter, also referred to as the tire height
  • 11.2 inches (285mm) is the tire width, this may also know as the section width
  • 18 inches (457mm) represent the rim diameter or called the wheel diameter that can be mounted on.
InchesMetric
Diameter33.7"856 mm
Tread Width11.2"285 mm
Rim Diameter18"457 mm
Sidewall Height7.9"200 mm
Circumference105.9"2690 mm
Revolutions599"372 mm
tire diameter
11.2"
33.7"
Tire Side
Tire Circumference
105.9"
18"
7.9"
599 Revs/Mile

What is a 285/70R18 tire width?

The 285/70R18 has a width of 11.2 inches or 285 mm wide. This is the measurement of the tire at its thickest point, the distance between the inner sidewall’s widest point and the outer sidewall’s widest point. This physical width of the tire can change if the tire is mounted on a wheel slightly wider or narrower than the size indicated by the rim width.

What is 285/70R18 tire diameter?

The 285/70R18 has an overall diameter of 33.7 inches or 857 mm tall (Measurement of a tire’s outside diameter through its exact center when inflated with no load.)

What size rim do I need for 285/70R18?

The size rim of a 285/70R18 tire is 18 inches or 457 mm tall. This number represents the distance between the two bead seat areas where the tire is sealed onto the wheel.

How tall is a 285/70R18 tire sidewall’s height?

The sidewall height of a 285/70R18 is 7.9 inches or 200 mm tall. It’s measured from the rim to the outer edge of the tire.

What about 285/70R18 tire circumference?

285/70R18 tire has a circumference of 105.9 inches or 2690 mm

How many revolutions for 285/70R18 per mile & kilometer?

The 285/70R18 performs 372 revolutions per kilometer or 599 revolutions per mile. Revolutions per mile indicate the number of times a tire revolves while it covers the distance of one mile/kilometer

What’s wider or narrow than 285/70R18 is acceptable?

You can replace the 285/70R18 tires that are within ±3% of the overall tire diameter. In this case, it’s between 32.7 and 34.7 inches (831mm to 883 mm). Check our tire size chart here or the tire size calculator tool here to find your size.


Tire Size Chart for 18" Wheels:

23″ Tire Diameter

24″ Tire Diameter

25″ Tire Diameter


26″ Tire Diameter

27″ Tire Diameter

28″ Tire Diameter


29″ Tire Diameter

30″ Tire Diameter

31″ Tire Diameter


32″ Tire Diameter

33″ Tire Diameter

34″ Tire Diameter


35″ Tire Diameter

36″ Tire Diameter

38″ Tire Diameter



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