325/30R20 In Inches

What size tire is 325/30R20 in Inches?

The 325/30R20 equivalent to 27.7x12.8R20 in inches, as follow:

  • 27.7 inches (703mm) stand for the tire diameter, also referred to as the tire height
  • 12.8 inches (325mm) 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.
Diameter27.7"703 mm
Tread Width12.8"325 mm
Rim Diameter20"508 mm
Sidewall Height3.8"98 mm
Circumference87"2210 mm
Revolutions727"452 mm
tire diameter
Tire Side
Tire Circumference
727 Revs/Mile

What is a 325/30R20 tire width?

The 325/30R20 has a width of 12.8 inches or 325 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 325/30R20 tire diameter?

The 325/30R20 has an overall diameter of 27.7 inches or 704 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 325/30R20?

The size rim of a 325/30R20 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 325/30R20 tire sidewall’s height?

The sidewall height of a 325/30R20 is 3.2 inches or 98 mm tall. It’s measured from the wheel rim to the top of the tread, expressed as a percentage of tire width.

What about 325/30R20 tire circumference?

325/30R20 tire has a circumference of 87 inches or 2210 mm

How many revolutions for 325/30R20 per mile & kilometer?

The 325/30R20 performs 452 revolutions per kilometer or 727 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 325/30R20 is acceptable?

You can replace the 325/30R20 tires that are within ±3% of the overall tire diameter. In this case, it’s between 26.9 and 28.5 inches (683mm to 725 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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