245/40R20 Tires

245/40R20 Conversion

When converted to inches, 245/40R20 is equivalent to 27.7x9.6R20.

245/40R20 tire has a section width of 9.6 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 3.9 inches (98 mm) is the measurement from the wheel rim to top of the tire tread. Overall diameter of 27.7 inches (704 mm) reflects the outer diameter of the tire and stands for tire height. Circumference of 87 inches (2210.6 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. 245/40R20 tire makes 728 revolutions per mile (452 revolutions per kilometer).

245/40R20 Section Width
9.6"
27.7"
245/40R20 Tire Side
Tire Circumference
87"
20"
3.9"
728 Revs/Mile
Metric Inches
Overall Diameter (Tire Height) 704 mm 27.7"
Tread Width 245 mm 9.6"
Rim Diameter 508 mm 20"
Sidewall Height 98 mm 3.9"
Circumference 2210.6 mm 87"
Revolutions 452 per km 728 per mile

245/40R20 Replacement Tire Sizes

Replacement tires have to be within 3% of the original tire's overall diameter. 245/40R20 tire can be replaced with 53 compatible tire sizes. Select optional plus size to see its specs.

Tire Size Overall Diameter Difference
375/20R21 26.9" (683 mm) -3%
305/25R21 27" (685 mm) -2.7%
295/30R20 27" (686 mm) -2.6%
255/35R20 27" (686 mm) -2.6%
255/30R21 27" (687 mm) -2.4%
225/40R20 27.1" (688 mm) -2.3%
265/25R22 27.2" (691 mm) -1.8%
305/30R20 27.2" (692 mm) -1.7%
265/30R21 27.3" (693 mm) -1.6%
155/60R20 27.3" (694 mm) -1.4%
265/35R20 27.3" (694 mm) -1.4%
225/30R22 27.4" (695 mm) -1.3%
325/25R21 27.4" (695 mm) -1.3%
145/65R20 27.4" (696 mm) -1.1%
235/40R20 27.4" (696 mm) -1.1%
235/35R21 27.4" (697 mm) -1%
275/25R22 27.4" (697 mm) -1%
315/30R20 27.5" (698 mm) -0.9%
275/30R21 27.5" (699 mm) -0.7%
275/35R20 27.6" (700 mm) -0.6%
175/55R20 27.6" (700 mm) -0.6%
285/25R22 27.6" (701 mm) -0.4%
235/30R22 27.6" (701 mm) -0.4%
215/45R20 27.6" (702 mm) -0.3%
195/50R20 27.7" (704 mm) 0%
325/30R20 27.7" (704 mm) 0%
245/35R21 27.8" (705 mm) 0.1%
285/30R21 27.8" (705 mm) 0.1%
165/60R20 27.8" (706 mm) 0.3%
245/30R22 27.8" (707 mm) 0.4%
295/25R22 27.8" (707 mm) 0.4%
285/35R20 27.9" (708 mm) 0.6%
155/65R20 28" (710 mm) 0.9%
225/45R20 28" (710 mm) 0.9%
335/30R20 28" (710 mm) 0.9%
295/30R21 28" (711 mm) 1%
355/25R21 28" (711 mm) 1%
305/25R22 28" (711 mm) 1%
255/35R21 28" (711 mm) 1%
255/40R20 28" (712 mm) 1.1%
255/30R22 28.1" (713 mm) 1.3%
295/35R20 28.1" (714 mm) 1.4%
345/30R20 28.2" (716 mm) 1.7%
305/30R21 28.2" (717 mm) 1.8%
315/25R22 28.2" (717 mm) 1.8%
265/35R21 28.3" (719 mm) 2.1%
265/30R22 28.3" (719 mm) 2.1%
235/45R20 28.3" (720 mm) 2.3%
265/40R20 28.3" (720 mm) 2.3%
305/35R20 28.4" (722 mm) 2.6%
315/30R21 28.5" (723 mm) 2.7%
275/30R22 28.5" (725 mm) 3%
275/35R21 28.5" (725 mm) 3%