155R12 Tires
155R12 Conversion
When converted to inches, 155R12 is equivalent to 21.8x6.1R12.
155R12 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. 155R12 tire makes 925 revolutions per mile (576 revolutions per kilometer).
| 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 |
| Best Prices on 155R12 Tires | |
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155R12 Replacement Tire Sizes
Replacement tires have to be within 3% of the original tire's overall diameter. 155R12 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% |
| 155/80R12 | 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% |