315/35R30 Tires

315/35R30 Conversion

When converted to inches, 315/35R30 is equivalent to 38.7x12.4R30.

315/35R30 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 4.3 inches (110 mm) is the measurement from the wheel rim to top of the tire tread. Overall diameter of 38.7 inches (982 mm) reflects the outer diameter of the tire and stands for tire height. Circumference of 121.5 inches (3083.5 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. 315/35R30 tire makes 521 revolutions per mile (324 revolutions per kilometer).

315/35R30 Section Width
12.4"
38.7"
315/35R30 Tire Side
Tire Circumference
121.5"
30"
4.3"
521 Revs/Mile
Metric Inches
Overall Diameter (Tire Height) 982 mm 38.7"
Tread Width 315 mm 12.4"
Rim Diameter 762 mm 30"
Sidewall Height 110 mm 4.3"
Circumference 3083.5 mm 121.5"
Revolutions 324 per km 521 per mile

315/35R30 Replacement Tire Sizes

Replacement tires have to be within 3% of the original tire's overall diameter. 315/35R30 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) -1.7%