285/50R20 In Inches

What size tire is 285/50R20 in Inches?

The 285/50R20 equivalent to 31.2x11.2R20 in inches, as follow:

  • 31.2 inches (793mm) 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.
Diameter31.2"793 mm
Tread Width11.2"285 mm
Rim Diameter20"508 mm
Sidewall Height5.6"143 mm
Circumference98.3"2497 mm
Revolutions644"400 mm
tire diameter
Tire Side
Tire Circumference
644 Revs/Mile

What is a 285/50R20 tire width?

The 285/50R20 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 big is a 285/50R20 tire’s height?

The overall diameter of a 285/50R20 is 31.3 inches or 794 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 285/50R20?

The size rim of a 285/50R20 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 285/50R20 tire sidewall’s height?

The sidewall height of a 285/50R20 is 5 inches or 143 mm tall. It’s measured from the wheel rim to the top of the tread, expressed as a percentage of tire width.

What about 285/50R20 tire circumference?

285/50R20 tire has a circumference of 98.3 inches or 2497 mm

How many revolutions for 285/50R20 per mile & kilometer?

The 285/50R20 performs 400 revolutions per kilometer or 644 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 285/50R20 is acceptable?

You can replace the 285/50R20 tires that are within ±3% of the overall tire diameter. In this case, it’s between 30.4 and 32.2 inches (770mm to 818 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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