285/35R21 Tires

285/35R21 Conversion

When converted to inches, 285/35R21 is equivalent to 28.9x11.2R21.

285/35R21 tire has a section width of 11.2 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 3.9 inches (100 mm) is the measurement from the wheel rim to top of the tire tread. Overall diameter of 28.9 inches (733 mm) reflects the outer diameter of the tire and stands for tire height. Circumference of 90.7 inches (2301.6 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. 285/35R21 tire makes 699 revolutions per mile (434 revolutions per kilometer).

285/35R21 Section Width
11.2"
28.9"
285/35R21 Tire Side
Tire Circumference
90.7"
21"
3.9"
699 Revs/Mile
Metric Inches
Overall Diameter (Tire Height) 733 mm 28.9"
Tread Width 285 mm 11.2"
Rim Diameter 533.4 mm 21"
Sidewall Height 100 mm 3.9"
Circumference 2301.6 mm 90.7"
Revolutions 434 per km 699 per mile

285/35R21 Replacement Tire Sizes

Replacement tires have to be within 3% of the original tire's overall diameter. 285/35R21 tire can be replaced with 30 compatible tire sizes. Select optional plus size to see its specs.

Tire Size Overall Diameter Difference
255/30R22 28.1" (713 mm) -2.7%
265/25R23 28.2" (716 mm) -2.3%
305/30R21 28.2" (717 mm) -2.2%
315/25R22 28.2" (717 mm) -2.2%
265/35R21 28.3" (719 mm) -1.9%
265/30R22 28.3" (719 mm) -1.9%
315/30R21 28.5" (723 mm) -1.4%
275/30R22 28.5" (725 mm) -1.1%
275/35R21 28.5" (725 mm) -1.1%
335/25R22 28.6" (727 mm) -0.8%
325/30R21 28.7" (729 mm) -0.5%
245/40R21 28.7" (729 mm) -0.5%
285/30R22 28.8" (731 mm) -0.3%
245/35R22 28.8" (731 mm) -0.3%
305/25R23 29" (736 mm) 0.4%
255/35R22 29" (737 mm) 0.5%
295/30R22 29" (737 mm) 0.5%
255/40R21 29" (737 mm) 0.5%
295/35R21 29.1" (739 mm) 0.8%
315/25R23 29.2" (742 mm) 1.2%
305/30R22 29.3" (743 mm) 1.4%
235/45R21 29.3" (745 mm) 1.6%
265/40R21 29.3" (745 mm) 1.6%
265/35R22 29.3" (745 mm) 1.6%
305/35R21 29.4" (747 mm) 1.9%
315/30R22 29.5" (749 mm) 2.2%
275/35R22 29.6" (751 mm) 2.5%
315/35R21 29.6" (753 mm) 2.7%
245/45R21 29.6" (753 mm) 2.7%
275/40R21 29.6" (753 mm) 2.7%