155/60R20 tire size
155/60R20 in inches: 27.32" overall diameter — 6.10" wide, 3.66" sidewall.
Overall diameter 27.32 in 694 mm
Section width 6.10 in 155 mm
Sidewall height 3.66 in 93 mm
Revs / mile 738 speedo calibration
Full dimensions
| Measurement | Metric | Imperial |
|---|---|---|
| Overall diameter | 694 mm | 27.32 in |
| Section width | 155 mm | 6.10 in |
| Sidewall height | 93 mm | 3.66 in |
| Rim diameter | 508 mm | 20 in |
| Circumference | 2180.3 mm | 85.84 in |
| Revolutions per mile | 738.1 | |
| Aspect ratio | 60% | |
Compare 155/60R20 to similar sizes
Frequently asked questions
What is the overall diameter of a 155/60R20 tire?
A 155/60R20 tire has an overall diameter of 27.32 inches (694 mm).
How tall is a 155/60R20 tire?
The sidewall height is 93 mm (3.66 inches), and the overall diameter from the ground to the top of the tire is 27.32 inches.
How many revolutions per mile does a 155/60R20 tire make?
A 155/60R20 tire makes approximately 738 revolutions per mile. Your speedometer is calibrated to this number.
What rim size does a 155/60R20 tire fit?
A 155/60R20 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.