285/30R20 In Inches

What size tire is 285/30R20 in Inches?

The 285/30R20 equivalent to 26.7x11.2R20 in inches, as follow:

  • 26.7 inches (679mm) 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
  • 20 inches (508mm) represent the rim diameter or called the wheel diameter that can be mounted on.
InchesMetric
Diameter26.7"679 mm
Tread Width11.2"285 mm
Rim Diameter20"508 mm
Sidewall Height3.4"86 mm
Circumference84.2"2139 mm
Revolutions753"468 mm
tire diameter
11.2"
26.7"
Tire Side
Tire Circumference
84.2"
20"
3.4"
753 Revs/Mile

What is a 285/30R20 tire width?

The 285/30R20 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.

How tall is a 285/30R20 tire’s height?

The 285/30R20 has an overall diameter of 26.8 inches or 680 mm tall (measured from the outside edges of the wheel)

What size rim do I need for 285/30R20?

The size rim of a 285/30R20 tire is 20 inches or 508 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 285/30R20 tire sidewall’s height?

The sidewall height of a 285/30R20 is 2.8 inches or 86 mm tall. It’s measured from the wheel rim to the top of the tread, expressed as a percentage of tire width.

What about 285/30R20 tire circumference?

285/30R20 tire has a circumference of 84.2 inches or 2139 mm

How many revolutions for 285/30R20 per mile & kilometer?

The 285/30R20 performs 468 revolutions per kilometer or 753 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 285/30R20 is acceptable?

You can replace the 285/30R20 tires that are within ±3% of the overall tire diameter. In this case, it’s between 26 and 27.6 inches (660mm to 700 mm). Check our tire size chart here or the tire size calculator tool here to find your size.


Tire Size Chart for 20" Wheels:

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

37″ Tire Diameter

39″ Tire Diameter


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