305/25R20 Tires

305/25R20 Conversion

When converted to inches, 305/25R20 is equivalent to 26x12R20.

305/25R20 tire has a section width of 12 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 3 inches (76 mm) is the measurement from the wheel rim to top of the tire tread. Overall diameter of 26 inches (660 mm) reflects the outer diameter of the tire and stands for tire height. Circumference of 81.6 inches (2072.4 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. 305/25R20 tire makes 776 revolutions per mile (483 revolutions per kilometer).

305/25R20 Section Width
12"
26"
305/25R20 Tire Side
Tire Circumference
81.6"
20"
3"
776 Revs/Mile
Metric Inches
Overall Diameter (Tire Height) 660 mm 26"
Tread Width 305 mm 12"
Rim Diameter 508 mm 20"
Sidewall Height 76 mm 3"
Circumference 2072.4 mm 81.6"
Revolutions 483 per km 776 per mile

305/25R20 Replacement Tire Sizes

Replacement tires have to be within 3% of the original tire's overall diameter. 305/25R20 tire can be replaced with 16 compatible tire sizes. Select optional plus size to see its specs.

Tire Size Overall Diameter Difference
225/30R20 25.4" (644 mm) -2.4%
275/25R20 25.4" (646 mm) -2.1%
235/30R20 25.6" (650 mm) -1.5%
285/25R20 25.6" (650 mm) -1.5%
245/30R20 25.8" (656 mm) -0.6%
295/25R20 25.8" (656 mm) -0.6%
255/30R20 26.1" (662 mm) 0.3%
315/25R20 26.2" (666 mm) 0.9%
225/35R20 26.2" (666 mm) 0.9%
265/30R20 26.3" (668 mm) 1.2%
325/25R20 26.4" (670 mm) 1.5%
275/25R21 26.4" (671 mm) 1.7%
235/35R20 26.5" (672 mm) 1.8%
275/30R20 26.5" (674 mm) 2.1%
235/30R21 26.6" (675 mm) 2.3%
335/25R20 26.6" (676 mm) 2.4%