245/30R21 Tires
245/30R21 Conversion
When converted to inches, 245/30R21 is equivalent to 26.8x9.6R21.
245/30R21 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 21 inches represents the size of the wheel the tire can be mounted on. Sidewall height of 2.9 inches (74 mm) is the measurement from the wheel rim to top of the tire tread. Overall diameter of 26.8 inches (681 mm) reflects the outer diameter of the tire and stands for tire height. Circumference of 84.2 inches (2138.3 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. 245/30R21 tire makes 752 revolutions per mile (468 revolutions per kilometer).
| Metric | Inches | |
|---|---|---|
| Overall Diameter (Tire Height) | 681 mm | 26.8" |
| Tread Width | 245 mm | 9.6" |
| Rim Diameter | 533.4 mm | 21" |
| Sidewall Height | 74 mm | 2.9" |
| Circumference | 2138.3 mm | 84.2" |
| Revolutions | 468 per km | 752 per mile |
| Best Prices on 245/30R21 Tires | |
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 from $473.99 |
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 from $199.99 |
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 from $204.99 |
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245/30R21 Replacement Tire Sizes
Replacement tires have to be within 3% of the original tire's overall diameter. 245/30R21 tire can be replaced with 15 compatible tire sizes. Select optional plus size to see its specs.
| Tire Size | Overall Diameter | Difference |
|---|---|---|
| 275/25R21 | 26.4" (671 mm) | -1.5% |
| 235/30R21 | 26.6" (675 mm) | -0.9% |
| 295/25R21 | 26.8" (681 mm) | 0% |
| 375/20R21 | 26.9" (683 mm) | 0.3% |
| 305/25R21 | 27" (685 mm) | 0.6% |
| 255/30R21 | 27" (687 mm) | 0.9% |
| 265/25R22 | 27.2" (691 mm) | 1.5% |
| 265/30R21 | 27.3" (693 mm) | 1.8% |
| 325/25R21 | 27.4" (695 mm) | 2.1% |
| 225/30R22 | 27.4" (695 mm) | 2.1% |
| 275/25R22 | 27.4" (697 mm) | 2.3% |
| 235/35R21 | 27.4" (697 mm) | 2.3% |
| 275/30R21 | 27.5" (699 mm) | 2.6% |
| 285/25R22 | 27.6" (701 mm) | 2.9% |
| 235/30R22 | 27.6" (701 mm) | 2.9% |