275/30R20 tire size
275/30R20 in inches: 26.50" overall diameter — 10.83" wide, 3.25" sidewall.
Overall diameter 26.50 in 673 mm
Section width 10.83 in 275 mm
Sidewall height 3.25 in 82.5 mm
Revs / mile 761 speedo calibration
Full dimensions
| Measurement | Metric | Imperial |
|---|---|---|
| Overall diameter | 673 mm | 26.50 in |
| Section width | 275 mm | 10.83 in |
| Sidewall height | 82.5 mm | 3.25 in |
| Rim diameter | 508 mm | 20 in |
| Circumference | 2114.3 mm | 83.24 in |
| Revolutions per mile | 761.2 | |
| Aspect ratio | 30% | |
Compare 275/30R20 to similar sizes
Frequently asked questions
What is the overall diameter of a 275/30R20 tire?
A 275/30R20 tire has an overall diameter of 26.50 inches (673 mm).
How tall is a 275/30R20 tire?
The sidewall height is 82.5 mm (3.25 inches), and the overall diameter from the ground to the top of the tire is 26.50 inches.
How many revolutions per mile does a 275/30R20 tire make?
A 275/30R20 tire makes approximately 761 revolutions per mile. Your speedometer is calibrated to this number.
What rim size does a 275/30R20 tire fit?
A 275/30R20 tire is designed for a 20-inch rim (508 mm).
All dimensions calculated using standard ETRTO formulas. Always confirm fitment with your vehicle's door-placard and a qualified tire professional before purchasing.