155/50R20 tire size
155/50R20 in inches: 26.10" overall diameter — 6.10" wide, 3.05" sidewall.
Overall diameter 26.10 in 663 mm
Section width 6.10 in 155 mm
Sidewall height 3.05 in 77.5 mm
Revs / mile 773 speedo calibration
Full dimensions
| Measurement | Metric | Imperial |
|---|---|---|
| Overall diameter | 663 mm | 26.10 in |
| Section width | 155 mm | 6.10 in |
| Sidewall height | 77.5 mm | 3.05 in |
| Rim diameter | 508 mm | 20 in |
| Circumference | 2082.9 mm | 82.00 in |
| Revolutions per mile | 772.6 | |
| Aspect ratio | 50% | |
Compare 155/50R20 to similar sizes
Frequently asked questions
What is the overall diameter of a 155/50R20 tire?
A 155/50R20 tire has an overall diameter of 26.10 inches (663 mm).
How tall is a 155/50R20 tire?
The sidewall height is 77.5 mm (3.05 inches), and the overall diameter from the ground to the top of the tire is 26.10 inches.
How many revolutions per mile does a 155/50R20 tire make?
A 155/50R20 tire makes approximately 773 revolutions per mile. Your speedometer is calibrated to this number.
What rim size does a 155/50R20 tire fit?
A 155/50R20 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.