245/30R20 In Inches

What size tire is 245/30R20 in Inches?

The 245/30R20 equivalent to 25.8x9.6R20 in inches, as follow:

  • 25.8 inches (655mm) stand for the tire diameter, also referred to as the tire height
  • 9.6 inches (245mm) 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.
Diameter25.8"655 mm
Tread Width9.6"245 mm
Rim Diameter20"508 mm
Sidewall Height2.9"74 mm
Circumference81.1"2060 mm
Revolutions781"485 mm
tire diameter
Tire Side
Tire Circumference
781 Revs/Mile

What is a 245/30R20 tire width?

The 245/30R20 has a width of 9.6 inches or 245 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 245/30R20 tire’s height?

The 245/30R20 has an overall diameter of 25.8 inches or 656 mm tall (measured from the outside edges of the wheel)

What size rim do I need for 245/30R20?

The size rim of a 245/30R20 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 245/30R20 tire sidewall’s height?

The sidewall height of a 245/30R20 is 2.9 inches or 74 mm tall. It’s measured from the rim to the outer edge of the tire.

What about 245/30R20 tire circumference?

245/30R20 tire has a circumference of 81.1 inches or 2060 mm

How many revolutions for 245/30R20 per mile & kilometer?

The 245/30R20 performs 485 revolutions per kilometer or 781 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 245/30R20 is acceptable?

You can replace the 245/30R20 tires that are within ±3% of the overall tire diameter. In this case, it’s between 25 and 26.6 inches (636mm to 676 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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