255/30R30 In Inches

What size tire is 255/30R30 in Inches?

The 255/30R30 equivalent to 36x10R30 in inches, as follow:

  • 36 inches (915mm) stand for the tire diameter, also referred to as the tire height
  • 10 inches (255mm) is the tire width, this may also know as the section width
  • 30 inches (762mm) represent the rim diameter or called the wheel diameter that can be mounted on.
InchesMetric
Tire Diameter36"915 mm
Tread Width10"255 mm
Rim Diameter30"762 mm
Sidewall Height3"77 mm
Circumference113.4"2880 mm
Revolutions558 revs/mile347 revs/km
tire diameter
10"
36"
Tire Side
Tire Circumference
113.4"
30"
3"
558 Revs/Mile

What is a 255/30R30 tire width?

The 255/30R30 has a width of 10 inches or 255 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 255/30R30 tire’s height?

The overall diameter of a 255/30R30 is 36.1 inches or 916 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 255/30R30?

The size rim of a 255/30R30 tire is 30 inches or 762 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 255/30R30 tire sidewall’s height?

The sidewall height of a 255/30R30 is 3 inches or 77 mm tall. It’s measured from the rim to the outer edge of the tire.

What about 255/30R30 tire circumference?

255/30R30 tire has a circumference of 113.4 inches or 2880 mm

How many revolutions for 255/30R30 per mile & kilometer?

The 255/30R30 performs 347 revolutions per kilometer or 558 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 255/30R30 is acceptable?

You can replace the 255/30R30 tires that are within ±3% of the overall tire diameter. In this case, it’s between 35 and 37.2 inches (889mm to 943 mm). Check our tire size chart here or the tire size calculator tool here to find your size.


Tire Size Chart for 30" Wheels:

35″ Tire Diameter

36″ Tire Diameter

37″ Tire Diameter

38″ Tire Diameter

*Disclaimer: The information provided on the tire size is for general informational purposes only. We recommend that you consult a certified tire specialist or National Highway Traffic Safety Administration (NHTSA) sets specific guidelines for tires used on vehicles.


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Jamie Hicks

Sullivan Kane

Tire Technician at TireSizesCalculator

Sullivan is a Tire Technician specializing in tire repair at TireSizesCalculator. With over 6 years of experience in the industry, Sullivan has become an expert in tire repair, maintenance & installation.


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