355/25R21 In Inches

What size tire is 355/25R21 in Inches?

The 355/25R21 equivalent to 28x14R21 in inches, as follow:

  • 28 inches (711mm) stand for the tire diameter, also referred to as the tire height
  • 14 inches (355mm) is the tire width, this may also know as the section width
  • 21 inches (533mm) represent the rim diameter or called the wheel diameter that can be mounted on.
Diameter28"711 mm
Tread Width14"355 mm
Rim Diameter21"533 mm
Sidewall Height3.5"89 mm
Circumference88"2235 mm
Revolutions719"447 mm
tire diameter
Tire Side
Tire Circumference
719 Revs/Mile

What is a 355/25R21 tire width?

The 355/25R21 has a width of 14 inches or 355 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 355/25R21 tire’s height?

The overall diameter of a 355/25R21 is 28 inches or 711 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 355/25R21?

The size rim of a 355/25R21 tire is 21 inches or 533 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 355/25R21 tire sidewall’s height?

The sidewall height of a 355/25R21 is 5.1 inches or 89 mm tall. It’s measured from the wheel rim to the top of the tread, expressed as a percentage of tire width.

What about 355/25R21 tire circumference?

355/25R21 tire has a circumference of 88 inches or 2235 mm

How many revolutions for 355/25R21 per mile & kilometer?

The 355/25R21 performs 447 revolutions per kilometer or 719 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 355/25R21 is acceptable?

You can replace the 355/25R21 tires that are within ±3% of the overall tire diameter. In this case, it’s between 27.2 and 28.8 inches (690mm to 732 mm). Check our tire size chart here or the tire size calculator tool here to find your size.

Share on:

Tire Size Chart for 21" Wheels:

26″ Tire Diameter

27″ Tire Diameter

28″ Tire Diameter

29″ Tire Diameter

30″ Tire Diameter

31″ Tire Diameter

32″ Tire Diameter

Leave a Comment