275/25R21 Tires

275/25R21 Conversion

When converted to inches, 275/25R21 is equivalent to 26.4x10.8R21.

275/25R21 tire has a section width of 10.8 inches which is the measurement of tire's width from its inner sidewall to its outer sidewall. Rim diameter of 21 inches represents the size of the wheel the tire can be mounted on. Sidewall height of 2.7 inches (69 mm) is the measurement from the wheel rim to top of the tire tread. Overall diameter of 26.4 inches (671 mm) reflects the outer diameter of the tire and stands for tire height. Circumference of 82.9 inches (2106.9 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. 275/25R21 tire makes 764 revolutions per mile (475 revolutions per kilometer).

275/25R21 Section Width
10.8"
26.4"
275/25R21 Tire Side
Tire Circumference
82.9"
21"
2.7"
764 Revs/Mile
Metric Inches
Overall Diameter (Tire Height) 671 mm 26.4"
Tread Width 275 mm 10.8"
Rim Diameter 533.4 mm 21"
Sidewall Height 69 mm 2.7"
Circumference 2106.9 mm 82.9"
Revolutions 475 per km 764 per mile

275/25R21 Replacement Tire Sizes

Replacement tires have to be within 3% of the original tire's overall diameter. 275/25R21 tire can be replaced with 7 compatible tire sizes. Select optional plus size to see its specs.

Tire Size Overall Diameter Difference
235/30R21 26.6" (675 mm) 0.6%
245/30R21 26.8" (681 mm) 1.5%
295/25R21 26.8" (681 mm) 1.5%
375/20R21 26.9" (683 mm) 1.8%
305/25R21 27" (685 mm) 2.1%
255/30R21 27" (687 mm) 2.4%
265/25R22 27.2" (691 mm) 3%