225/90R16 In Inches

What size tire is 225/90R16 in Inches?

The 225/90R16 equivalent to 31.9x8.9R16 in inches, as follow:

  • 31.9 inches (811mm) stand for the tire diameter, also referred to as the tire height
  • 8.9 inches (225mm) is the tire width, this may also know as the section width
  • 16 inches (406mm) represent the rim diameter or called the wheel diameter that can be mounted on.
Diameter31.9"811 mm
Tread Width8.9"225 mm
Rim Diameter16"406 mm
Sidewall Height8"203 mm
Circumference100.5"2553 mm
Revolutions631"392 mm
tire diameter
Tire Side
Tire Circumference
631 Revs/Mile

What is a 225/90R16 tire width?

The 225/90R16 has a width of 8.9 inches or 225 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 225/90R16 tire diameter?

The 225/90R16 has an overall diameter of 32 inches or 812 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 225/90R16?

The size rim of a 225/90R16 tire is 16 inches or 406 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 225/90R16 tire sidewall’s height?

The sidewall height of a 225/90R16 is 7.5 inches or 203 mm tall. It’s measured from the wheel rim to the top of the tread, expressed as a percentage of tire width.

What about 225/90R16 tire circumference?

225/90R16 tire has a circumference of 100.5 inches or 2553 mm

How many revolutions for 225/90R16 per mile & kilometer?

The 225/90R16 performs 392 revolutions per kilometer or 631 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 225/90R16 is acceptable?

You can replace the 225/90R16 tires that are within ±3% of the overall tire diameter. In this case, it’s between 31 and 33 inches (788mm to 836 mm). Check our tire size chart here or the tire size calculator tool here to find your size.

Tire Size Chart for 16" Wheels:

21" Tire Diameter

22" Tire Diameter

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

37" Tire Diameter

38" Tire Diameter

39" Tire Diameter

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