225/45R20 Tires

225/45R20 Conversion

When converted to inches, 225/45R20 is equivalent to 28x8.9R20.

225/45R20 tire has a section width of 8.9 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 4 inches (101 mm) is the measurement from the wheel rim to top of the tire tread. Overall diameter of 28 inches (710 mm) reflects the outer diameter of the tire and stands for tire height. Circumference of 87.9 inches (2229.4 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. 225/45R20 tire makes 721 revolutions per mile (449 revolutions per kilometer).

225/45R20 Section Width
8.9"
28"
225/45R20 Tire Side
Tire Circumference
87.9"
20"
4"
721 Revs/Mile
Metric Inches
Overall Diameter (Tire Height) 710 mm 28"
Tread Width 225 mm 8.9"
Rim Diameter 508 mm 20"
Sidewall Height 101 mm 4"
Circumference 2229.4 mm 87.9"
Revolutions 449 per km 721 per mile

225/45R20 Replacement Tire Sizes

Replacement tires have to be within 3% of the original tire's overall diameter. 225/45R20 tire can be replaced with 55 compatible tire sizes. Select optional plus size to see its specs.

Tire Size Overall Diameter Difference
265/25R22 27.2" (691 mm) -2.7%
305/30R20 27.2" (692 mm) -2.5%
265/30R21 27.3" (693 mm) -2.4%
155/60R20 27.3" (694 mm) -2.3%
265/35R20 27.3" (694 mm) -2.3%
325/25R21 27.4" (695 mm) -2.1%
225/30R22 27.4" (695 mm) -2.1%
235/40R20 27.4" (696 mm) -2%
145/65R20 27.4" (696 mm) -2%
275/25R22 27.4" (697 mm) -1.8%
235/35R21 27.4" (697 mm) -1.8%
315/30R20 27.5" (698 mm) -1.7%
275/30R21 27.5" (699 mm) -1.5%
275/35R20 27.6" (700 mm) -1.4%
175/55R20 27.6" (700 mm) -1.4%
235/30R22 27.6" (701 mm) -1.3%
285/25R22 27.6" (701 mm) -1.3%
215/45R20 27.6" (702 mm) -1.1%
195/50R20 27.7" (704 mm) -0.8%
325/30R20 27.7" (704 mm) -0.8%
245/40R20 27.7" (704 mm) -0.8%
285/30R21 27.8" (705 mm) -0.7%
245/35R21 27.8" (705 mm) -0.7%
165/60R20 27.8" (706 mm) -0.6%
295/25R22 27.8" (707 mm) -0.4%
245/30R22 27.8" (707 mm) -0.4%
285/35R20 27.9" (708 mm) -0.3%
155/65R20 28" (710 mm) 0%
335/30R20 28" (710 mm) 0%
295/30R21 28" (711 mm) 0.1%
305/25R22 28" (711 mm) 0.1%
255/35R21 28" (711 mm) 0.1%
355/25R21 28" (711 mm) 0.1%
255/40R20 28" (712 mm) 0.3%
255/30R22 28.1" (713 mm) 0.4%
295/35R20 28.1" (714 mm) 0.6%
345/30R20 28.2" (716 mm) 0.8%
305/30R21 28.2" (717 mm) 1%
315/25R22 28.2" (717 mm) 1%
265/30R22 28.3" (719 mm) 1.3%
265/35R21 28.3" (719 mm) 1.3%
265/40R20 28.3" (720 mm) 1.4%
235/45R20 28.3" (720 mm) 1.4%
305/35R20 28.4" (722 mm) 1.7%
315/30R21 28.5" (723 mm) 1.8%
275/30R22 28.5" (725 mm) 2.1%
275/35R21 28.5" (725 mm) 2.1%
335/25R22 28.6" (727 mm) 2.4%
275/40R20 28.7" (728 mm) 2.5%
315/35R20 28.7" (728 mm) 2.5%
245/45R20 28.7" (728 mm) 2.5%
245/40R21 28.7" (729 mm) 2.7%
325/30R21 28.7" (729 mm) 2.7%
245/35R22 28.8" (731 mm) 3%
285/30R22 28.8" (731 mm) 3%