315/30R30 Tires

315/30R30 Conversion

When converted to inches, 315/30R30 is equivalent to 37.5x12.4R30.

315/30R30 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 30 inches represents the size of the wheel the tire can be mounted on. Sidewall height of 3.7 inches (95 mm) is the measurement from the wheel rim to top of the tire tread. Overall diameter of 37.5 inches (952 mm) reflects the outer diameter of the tire and stands for tire height. Circumference of 117.8 inches (2989.3 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. 315/30R30 tire makes 538 revolutions per mile (335 revolutions per kilometer).

315/30R30 Section Width
12.4"
37.5"
315/30R30 Tire Side
Tire Circumference
117.8"
30"
3.7"
538 Revs/Mile
Metric Inches
Overall Diameter (Tire Height) 952 mm 37.5"
Tread Width 315 mm 12.4"
Rim Diameter 762 mm 30"
Sidewall Height 95 mm 3.7"
Circumference 2989.3 mm 117.8"
Revolutions 335 per km 538 per mile

315/30R30 Replacement Tire Sizes

Replacement tires have to be within 3% of the original tire's overall diameter. 315/30R30 tire can be replaced with 1 compatible tire size. Select optional plus size to see its specs.

Tire Size Overall Diameter Difference
305/25R32 38" (965 mm) 1.4%