325/75R20 Tires

325/75R20 Conversion

When converted to inches, 325/75R20 is equivalent to 39.2x12.8R20.

325/75R20 tire has a section width of 12.8 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 9.6 inches (244 mm) is the measurement from the wheel rim to top of the tire tread. Overall diameter of 39.2 inches (996 mm) reflects the outer diameter of the tire and stands for tire height. Circumference of 123.1 inches (3127.4 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. 325/75R20 tire makes 515 revolutions per mile (320 revolutions per kilometer).

325/75R20 Section Width
12.8"
39.2"
325/75R20 Tire Side
Tire Circumference
123.1"
20"
9.6"
515 Revs/Mile
Metric Inches
Overall Diameter (Tire Height) 996 mm 39.2"
Tread Width 325 mm 12.8"
Rim Diameter 508 mm 20"
Sidewall Height 244 mm 9.6"
Circumference 3127.4 mm 123.1"
Revolutions 320 per km 515 per mile

325/75R20 Replacement Tire Sizes

Replacement tires have to be within 3% of the original tire's overall diameter. 325/75R20 tire can be replaced with 2 compatible tire sizes. Select optional plus size to see its specs.

Tire Size Overall Diameter Difference
255/80R22.5 38.6" (980 mm) -1.6%
355/60R22 38.8" (985 mm) -1.1%