285/35R18 In Inches

What size tire is 285/35R18 in Inches?

The 285/35R18 equivalent to 25.9x11.2R18 in inches, as follow:

  • 25.9 inches (657mm) 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.
Diameter25.9"657 mm
Tread Width11.2"285 mm
Rim Diameter18"457 mm
Sidewall Height3.9"100 mm
Circumference81.4"2068 mm
Revolutions779"484 mm
tire diameter
Tire Side
Tire Circumference
779 Revs/Mile

How big is a 285/35R18 tire’s height?

The overall diameter of a 285/35R18 is 25.9 inches or 657 mm tall (measurement of a tire’s outside diameter through its exact center when inflated with no load.

How wide is a 285/35R18 tire’s width?

The 285/35R18 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 outer sidewall’s widest point and the inner 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 a 285/35R18 tire sidewall height?

The 285/35R18 has a sidewall height of 3.9 inches or 100 mm tall. It’s measured from the rim to the outer edge of the tire.

What size rim do you need for 285/35R18?

The 285/35R18 tire has a size rim of 18 inches or 457 mm. This number represents the distance between the two bead seat areas where the tire is sealed onto the wheel.

How many revolutions for 285/35R18 per mile or kilometer?

The 285/35R18 performs 779 revolutions per mile or 484 revolutions per kilometer. Revolutions per mile indicate the number of times a tire revolves while it covers the distance of one mile/kilometer

How about 285/35R18 tire circumference?

The circumference of 285/35R18 is 81.4 inches or 2068 mm.

What’s wider or narrow than 285/35R18 is acceptable?

You can replace the 285/35R18 tires that are within ±3% of the overall tire diameter. In this case, it’s between 25.1 and 26.7 inches (637mm to 677 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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