315/70R15 In Inches

What size tire is 315/70R15 in Inches?

The 315/70R15 equivalent to 32.4x12.4R15 in inches, as follow:

  • 32.4 inches (822mm) 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
  • 15 inches (381mm) represent the rim diameter or called the wheel diameter that can be mounted on.
InchesMetric
Tire Diameter32.4"822 mm
Tread Width12.4"315 mm
Rim Diameter15"381 mm
Sidewall Height8.7"221 mm
Circumference101.8"2586 mm
Revolutions623 revs/mile387 revs/km
tire diameter
12.4"
32.4"
Tire Side
Tire Circumference
101.8"
15"
8.7"
623 Revs/Mile

What is a 315/70R15 tire width?

The 315/70R15 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 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 315/70R15 tire diameter?

The 315/70R15 has an overall diameter of 32.4 inches or 823 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 315/70R15?

The size rim of a 315/70R15 tire is 15 inches or 381 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 315/70R15 tire sidewall’s height?

The sidewall height of a 315/70R15 is 8.7 inches or 221 mm tall. It’s measured from the wheel rim to the top of the tread, expressed as a percentage of tire width.

What about 315/70R15 tire circumference?

315/70R15 tire has a circumference of 101.8 inches or 2586 mm

How many revolutions for 315/70R15 per mile & kilometer?

The 315/70R15 performs 387 revolutions per kilometer or 623 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 315/70R15 is acceptable?

You can replace the 315/70R15 tires that are within ±3% of the overall tire diameter. In this case, it’s between 31.4 and 33.4 inches (798mm to 848 mm). Check our tire size chart here or the tire size calculator tool here to find your size.


Tire Size Chart for 15" Wheels:

19″ Tire Diameter

20″ Tire Diameter

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


*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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