135/80R12 Tires

135/80R12 Conversion

When converted to inches, 135/80R12 is equivalent to 20.5x5.3R12.

135/80R12 tire has a section width of 5.3 inches which is the measurement of tire's width from its inner sidewall to its outer sidewall. Rim diameter of 12 inches represents the size of the wheel the tire can be mounted on. Sidewall height of 4.3 inches (108 mm) is the measurement from the wheel rim to top of the tire tread. Overall diameter of 20.5 inches (521 mm) reflects the outer diameter of the tire and stands for tire height. Circumference of 64.4 inches (1635.9 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. 135/80R12 tire makes 984 revolutions per mile (611 revolutions per kilometer).

135/80R12 Section Width
5.3"
20.5"
135/80R12 Tire Side
Tire Circumference
64.4"
12"
4.3"
984 Revs/Mile
Metric Inches
Overall Diameter (Tire Height) 521 mm 20.5"
Tread Width 135 mm 5.3"
Rim Diameter 304.8 mm 12"
Sidewall Height 108 mm 4.3"
Circumference 1635.9 mm 64.4"
Revolutions 611 per km 984 per mile

135/80R12 Replacement Tire Sizes

Replacement tires have to be within 3% of the original tire's overall diameter. 135/80R12 tire can be replaced with 26 compatible tire sizes. Select optional plus size to see its specs.

Tire Size Overall Diameter Difference
175/50R13 19.9" (506 mm) -2.9%
195/45R13 19.9" (506 mm) -2.9%
145/70R12 20" (509 mm) -2.3%
195/40R14 20.2" (512 mm) -1.7%
165/55R13 20.2" (512 mm) -1.7%
115/70R14 20.4" (518 mm) -0.6%
145/65R13 20.4" (518 mm) -0.6%
135/70R13 20.5" (520 mm) -0.2%
175/55R13 20.6" (522 mm) 0.2%
165/50R14 20.6" (522 mm) 0.2%
155/70R12 20.6" (523 mm) 0.4%
155/55R14 20.7" (526 mm) 1%
215/40R14 20.8" (528 mm) 1.3%
165/60R13 20.8" (528 mm) 1.3%
125/80R13 20.9" (530 mm) 1.7%
195/45R14 20.9" (532 mm) 2.1%
225/45R13 20.9" (532 mm) 2.1%
125/70R14 20.9" (532 mm) 2.1%
175/50R14 20.9" (532 mm) 2.1%
155/65R13 20.9" (532 mm) 2.1%
255/35R14 21" (534 mm) 2.5%
145/70R13 21" (534 mm) 2.5%
185/55R13 21" (534 mm) 2.5%
255/40R13 21" (534 mm) 2.5%
225/40R14 21.1" (536 mm) 2.9%
205/50R13 21.1" (536 mm) 2.9%