155/80R12 Tires

155/80R12 Conversion

When converted to inches, 155/80R12 is equivalent to 21.8x6.1R12.

155/80R12 tire has a section width of 6.1 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 4.9 inches (124 mm) is the measurement from the wheel rim to top of the tire tread. Overall diameter of 21.8 inches (553 mm) reflects the outer diameter of the tire and stands for tire height. Circumference of 68.5 inches (1736.4 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. 155/80R12 tire makes 925 revolutions per mile (576 revolutions per kilometer).

155/80R12 Section Width
6.1"
21.8"
155/80R12 Tire Side
Tire Circumference
68.5"
12"
4.9"
925 Revs/Mile
Metric Inches
Overall Diameter (Tire Height) 553 mm 21.8"
Tread Width 155 mm 6.1"
Rim Diameter 304.8 mm 12"
Sidewall Height 124 mm 4.9"
Circumference 1736.4 mm 68.5"
Revolutions 576 per km 925 per mile

155/80R12 Replacement Tire Sizes

Replacement tires have to be within 3% of the original tire's overall diameter. 155/80R12 tire can be replaced with 27 compatible tire sizes. Select optional plus size to see its specs.

Tire Size Overall Diameter Difference
165/70R12 21.1" (537 mm) -2.9%
145/80R12 21.1" (537 mm) -2.9%
145R12 21.1" (537 mm) -2.9%
165/55R14 21.2" (538 mm) -2.7%
175/60R13 21.3" (540 mm) -2.4%
205/45R14 21.3" (540 mm) -2.4%
185/50R14 21.3" (542 mm) -2%
145/65R14 21.4" (544 mm) -1.6%
165/65R13 21.4" (544 mm) -1.6%
195/55R13 21.4" (544 mm) -1.6%
215/50R13 21.5" (546 mm) -1.3%
135/80R13 21.5" (546 mm) -1.3%
155/70R13 21.6" (548 mm) -0.9%
185/60R13 21.7" (552 mm) -0.2%
155R12 21.8" (553 mm) 0%
165/60R14 21.8" (554 mm) 0.2%
225/50R13 21.9" (556 mm) 0.5%
225/45R14 22" (558 mm) 0.9%
155/65R14 22" (558 mm) 0.9%
175/65R13 22" (558 mm) 0.9%
185/55R14 22" (560 mm) 1.3%
145/80R13 22.1" (562 mm) 1.6%
205/50R14 22.1" (562 mm) 1.6%
165/70R13 22.1" (562 mm) 1.6%
195/60R13 22.2" (564 mm) 2%
175/60R14 22.3" (566 mm) 2.4%
235/50R13 22.3" (566 mm) 2.4%