225/40R20 Tires

225/40R20 Conversion

When converted to inches, 225/40R20 is equivalent to 27.1x8.9R20.

225/40R20 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 3.5 inches (90 mm) is the measurement from the wheel rim to top of the tire tread. Overall diameter of 27.1 inches (688 mm) reflects the outer diameter of the tire and stands for tire height. Circumference of 85.1 inches (2160.3 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. 225/40R20 tire makes 745 revolutions per mile (463 revolutions per kilometer).

225/40R20 Section Width
8.9"
27.1"
225/40R20 Tire Side
Tire Circumference
85.1"
20"
3.5"
745 Revs/Mile
Metric Inches
Overall Diameter (Tire Height) 688 mm 27.1"
Tread Width 225 mm 8.9"
Rim Diameter 508 mm 20"
Sidewall Height 90 mm 3.5"
Circumference 2160.3 mm 85.1"
Revolutions 463 per km 745 per mile

225/40R20 Replacement Tire Sizes

Replacement tires have to be within 3% of the original tire's overall diameter. 225/40R20 tire can be replaced with 45 compatible tire sizes. Select optional plus size to see its specs.

Tire Size Overall Diameter Difference
265/30R20 26.3" (668 mm) -2.9%
325/25R20 26.4" (670 mm) -2.6%
275/25R21 26.4" (671 mm) -2.5%
235/35R20 26.5" (672 mm) -2.3%
275/30R20 26.5" (674 mm) -2%
235/30R21 26.6" (675 mm) -1.9%
335/25R20 26.6" (676 mm) -1.7%
285/30R20 26.8" (680 mm) -1.2%
345/25R20 26.8" (680 mm) -1.2%
245/35R20 26.8" (680 mm) -1.2%
295/25R21 26.8" (681 mm) -1%
245/30R21 26.8" (681 mm) -1%
145/60R20 26.9" (682 mm) -0.9%
375/20R21 26.9" (683 mm) -0.7%
305/25R21 27" (685 mm) -0.4%
295/30R20 27" (686 mm) -0.3%
255/35R20 27" (686 mm) -0.3%
255/30R21 27" (687 mm) -0.1%
265/25R22 27.2" (691 mm) 0.4%
305/30R20 27.2" (692 mm) 0.6%
265/30R21 27.3" (693 mm) 0.7%
155/60R20 27.3" (694 mm) 0.9%
265/35R20 27.3" (694 mm) 0.9%
325/25R21 27.4" (695 mm) 1%
225/30R22 27.4" (695 mm) 1%
235/40R20 27.4" (696 mm) 1.2%
145/65R20 27.4" (696 mm) 1.2%
275/25R22 27.4" (697 mm) 1.3%
235/35R21 27.4" (697 mm) 1.3%
315/30R20 27.5" (698 mm) 1.5%
275/30R21 27.5" (699 mm) 1.6%
175/55R20 27.6" (700 mm) 1.7%
275/35R20 27.6" (700 mm) 1.7%
285/25R22 27.6" (701 mm) 1.9%
235/30R22 27.6" (701 mm) 1.9%
215/45R20 27.6" (702 mm) 2%
245/40R20 27.7" (704 mm) 2.3%
195/50R20 27.7" (704 mm) 2.3%
325/30R20 27.7" (704 mm) 2.3%
285/30R21 27.8" (705 mm) 2.5%
245/35R21 27.8" (705 mm) 2.5%
165/60R20 27.8" (706 mm) 2.6%
245/30R22 27.8" (707 mm) 2.8%
295/25R22 27.8" (707 mm) 2.8%
285/35R20 27.9" (708 mm) 2.9%