275/50R21 Tires
275/50R21 Conversion
When converted to inches, 275/50R21 is equivalent to 31.9x10.8R21.
275/50R21 tire has a section width of 10.8 inches which is the measurement of tire's width from its inner sidewall to its outer sidewall. Rim diameter of 21 inches represents the size of the wheel the tire can be mounted on. Sidewall height of 5.4 inches (138 mm) is the measurement from the wheel rim to top of the tire tread. Overall diameter of 31.9 inches (809 mm) reflects the outer diameter of the tire and stands for tire height. Circumference of 100.2 inches (2540.3 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. 275/50R21 tire makes 632 revolutions per mile (394 revolutions per kilometer).
| Metric | Inches | |
|---|---|---|
| Overall Diameter (Tire Height) | 809 mm | 31.9" |
| Tread Width | 275 mm | 10.8" |
| Rim Diameter | 533.4 mm | 21" |
| Sidewall Height | 138 mm | 5.4" |
| Circumference | 2540.3 mm | 100.2" |
| Revolutions | 394 per km | 632 per mile |
| Best Prices on 275/50R21 Tires | |
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 from $343.99 |
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 from $343.99 |
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 from $298.51 |
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275/50R21 Replacement Tire Sizes
Replacement tires have to be within 3% of the original tire's overall diameter. 275/50R21 tire can be replaced with 23 compatible tire sizes. Select optional plus size to see its specs.
| Tire Size | Overall Diameter | Difference |
|---|---|---|
| 315/40R21 | 30.9" (785 mm) | -3% |
| 325/35R22 | 31" (787 mm) | -2.7% |
| 285/40R22 | 31" (787 mm) | -2.7% |
| 255/45R22 | 31.1" (789 mm) | -2.5% |
| 255/50R21 | 31.1" (789 mm) | -2.5% |
| 285/45R21 | 31.1" (789 mm) | -2.5% |
| 295/35R23 | 31.1" (790 mm) | -2.3% |
| 325/40R21 | 31.2" (793 mm) | -2% |
| 295/40R22 | 31.3" (795 mm) | -1.7% |
| 265/45R22 | 31.4" (797 mm) | -1.5% |
| 305/35R23 | 31.4" (798 mm) | -1.4% |
| 305/40R22 | 31.6" (803 mm) | -0.7% |
| 275/40R23 | 31.7" (804 mm) | -0.6% |
| 275/45R22 | 31.8" (807 mm) | -0.2% |
| 285/40R23 | 32" (812 mm) | 0.4% |
| 325/35R23 | 32" (812 mm) | 0.4% |
| 285/45R22 | 32.1" (815 mm) | 0.7% |
| 315/45R21 | 32.2" (817 mm) | 1% |
| 325/40R22 | 32.2" (819 mm) | 1.2% |
| 265/50R22 | 32.5" (825 mm) | 2% |
| 295/45R22 | 32.5" (825 mm) | 2% |
| 305/40R23 | 32.6" (828 mm) | 2.3% |
| 305/45R22 | 32.8" (833 mm) | 3% |