285/40R20 Tires
285/40R20 Conversion
When converted to inches, 285/40R20 is equivalent to 29x11.2R20.
285/40R20 tire has a section width of 11.2 inches which is the measurement of tire's width from its inner sidewall to its outer sidewall. Rim diameter of 20 inches represents the size of the wheel the tire can be mounted on. Sidewall height of 4.5 inches (114 mm) is the measurement from the wheel rim to top of the tire tread. Overall diameter of 29 inches (736 mm) reflects the outer diameter of the tire and stands for tire height. Circumference of 91.1 inches (2311 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. 285/40R20 tire makes 695 revolutions per mile (433 revolutions per kilometer).
| Metric | Inches | |
|---|---|---|
| Overall Diameter (Tire Height) | 736 mm | 29" |
| Tread Width | 285 mm | 11.2" |
| Rim Diameter | 508 mm | 20" |
| Sidewall Height | 114 mm | 4.5" |
| Circumference | 2311 mm | 91.1" |
| Revolutions | 433 per km | 695 per mile |
| Best Prices on 285/40R20 Tires | |
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 from $367.21 |
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 from $464.99 |
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 from $278.00 |
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285/40R20 Replacement Tire Sizes
Replacement tires have to be within 3% of the original tire's overall diameter. 285/40R20 tire can be replaced with 44 compatible tire sizes. Select optional plus size to see its specs.
| Tire Size | Overall Diameter | Difference |
|---|---|---|
| 295/35R20 | 28.1" (714 mm) | -3% |
| 345/30R20 | 28.2" (716 mm) | -2.7% |
| 305/30R21 | 28.2" (717 mm) | -2.6% |
| 315/25R22 | 28.2" (717 mm) | -2.6% |
| 265/35R21 | 28.3" (719 mm) | -2.3% |
| 265/30R22 | 28.3" (719 mm) | -2.3% |
| 265/40R20 | 28.3" (720 mm) | -2.2% |
| 235/45R20 | 28.3" (720 mm) | -2.2% |
| 305/35R20 | 28.4" (722 mm) | -1.9% |
| 315/30R21 | 28.5" (723 mm) | -1.8% |
| 275/30R22 | 28.5" (725 mm) | -1.5% |
| 275/35R21 | 28.5" (725 mm) | -1.5% |
| 335/25R22 | 28.6" (727 mm) | -1.2% |
| 245/45R20 | 28.7" (728 mm) | -1.1% |
| 315/35R20 | 28.7" (728 mm) | -1.1% |
| 275/40R20 | 28.7" (728 mm) | -1.1% |
| 245/40R21 | 28.7" (729 mm) | -1% |
| 325/30R21 | 28.7" (729 mm) | -1% |
| 245/35R22 | 28.8" (731 mm) | -0.7% |
| 285/30R22 | 28.8" (731 mm) | -0.7% |
| 285/35R21 | 28.9" (733 mm) | -0.4% |
| 325/35R20 | 29" (736 mm) | 0% |
| 295/30R22 | 29" (737 mm) | 0.1% |
| 255/35R22 | 29" (737 mm) | 0.1% |
| 255/40R21 | 29" (737 mm) | 0.1% |
| 255/45R20 | 29.1" (738 mm) | 0.3% |
| 295/35R21 | 29.1" (739 mm) | 0.4% |
| 145/80R20 | 29.1" (740 mm) | 0.5% |
| 305/30R22 | 29.3" (743 mm) | 1% |
| 235/50R20 | 29.3" (744 mm) | 1.1% |
| 295/40R20 | 29.3" (744 mm) | 1.1% |
| 265/40R21 | 29.3" (745 mm) | 1.2% |
| 265/35R22 | 29.3" (745 mm) | 1.2% |
| 235/45R21 | 29.3" (745 mm) | 1.2% |
| 265/45R20 | 29.4" (746 mm) | 1.4% |
| 305/35R21 | 29.4" (747 mm) | 1.5% |
| 315/30R22 | 29.5" (749 mm) | 1.8% |
| 275/35R22 | 29.6" (751 mm) | 2% |
| 305/40R20 | 29.6" (752 mm) | 2.2% |
| 315/35R21 | 29.6" (753 mm) | 2.3% |
| 245/45R21 | 29.6" (753 mm) | 2.3% |
| 275/40R21 | 29.6" (753 mm) | 2.3% |
| 245/50R20 | 29.7" (754 mm) | 2.4% |
| 275/45R20 | 29.8" (756 mm) | 2.7% |