315/70R20 Tires

315/70R20 Conversion

When converted to inches, 315/70R20 is equivalent to 37.4x12.4R20.

315/70R20 tire has a section width of 12.4 inches which is the measurement of tire's width from its inner sidewall to its outer sidewall. Rim diameter of 20 inches represents the size of the wheel the tire can be mounted on. Sidewall height of 8.7 inches (221 mm) is the measurement from the wheel rim to top of the tire tread. Overall diameter of 37.4 inches (950 mm) reflects the outer diameter of the tire and stands for tire height. Circumference of 117.4 inches (2983 mm) is the outer perimeter of the tire. Tire revolutions indicate the number of times a tire revolves while it covers the distance in miles or kilometers. 315/70R20 tire makes 540 revolutions per mile (335 revolutions per kilometer).

315/70R20 Section Width
12.4"
37.4"
315/70R20 Tire Side
Tire Circumference
117.4"
20"
8.7"
540 Revs/Mile
Metric Inches
Overall Diameter (Tire Height) 950 mm 37.4"
Tread Width 315 mm 12.4"
Rim Diameter 508 mm 20"
Sidewall Height 221 mm 8.7"
Circumference 2983 mm 117.4"
Revolutions 335 per km 540 per mile

315/70R20 Replacement Tire Sizes

Replacement tires have to be within 3% of the original tire's overall diameter. 315/70R20 tire can be replaced with 5 compatible tire sizes. Select optional plus size to see its specs.

Tire Size Overall Diameter Difference
335/55R22 36.5" (927 mm) -2.4%
355/60R20 36.8" (934 mm) -1.7%
245/75R22.5 37" (940 mm) -1.1%
235/80R22.5 37.3" (948 mm) -0.2%
325/60R22 37.4" (949 mm) -0.1%