315/35R18 In Inches

What size tire is 315/35R18 in Inches?

The 315/35R18 equivalent to 26.7x12.4R18 in inches, as follow:

  • 26.7 inches (678mm) stand for the tire diameter, also referred to as the tire height
  • 12.4 inches (315mm) is the tire width, this may also know as the section width
  • 18 inches (457mm) represent the rim diameter or called the wheel diameter that can be mounted on.
InchesMetric
Tire Diameter26.7"678 mm
Tread Width12.4"315 mm
Rim Diameter18"457 mm
Sidewall Height4.3"110 mm
Circumference83.9"2131 mm
Revolutions755 revs/mile469 revs/km
tire diameter
12.4"
26.7"
Tire Side
Tire Circumference
83.9"
18"
4.3"
755 Revs/Mile

How big is a 315/35R18 tire’s height?

The overall diameter of a 315/35R18 is 26.7 inches or 677 mm tall (measurement of a tire’s outside diameter through its exact center when inflated with no load.

How wide is a 315/35R18 tire’s width?

The 315/35R18 has a width of 12.4 inches or 315 mm wide. This is the measurement of the tire at its thickest point, the distance between the outer sidewall’s widest point and the inner 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 a 315/35R18 tire sidewall height?

The 315/35R18 has a sidewall height of 4.3 inches or 110 mm tall. It’s measured from the rim to the outer edge of the tire.

What size rim do you need for 315/35R18?

The 315/35R18 tire has a size rim of 18 inches or 457 mm. This number represents the distance between the two bead seat areas where the tire is sealed onto the wheel.

How many revolutions for 315/35R18 per mile or kilometer?

The 315/35R18 performs 755 revolutions per mile or 469 revolutions per kilometer. Revolutions per mile indicate the number of times a tire revolves while it covers the distance of one mile/kilometer

How about 315/35R18 tire circumference?

The circumference of 315/35R18 is 83.9 inches or 2131 mm.

What’s wider or narrow than 315/35R18 is acceptable?

You can replace the 315/35R18 tires that are within ±3% of the overall tire diameter. In this case, it’s between 25.9 and 27.5 inches (657mm to 697 mm). Check our tire size chart here or the tire size calculator tool here to find your size.


Tire Size Chart for 18" Wheels:

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

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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