255/50R15 tire size
255/50R15 in inches: 25.04" overall diameter — 10.04" wide, 5.02" sidewall.
Overall diameter 25.04 in 636 mm
Section width 10.04 in 255 mm
Sidewall height 5.02 in 127.5 mm
Revs / mile 805 speedo calibration
Full dimensions
| Measurement | Metric | Imperial |
|---|---|---|
| Overall diameter | 636 mm | 25.04 in |
| Section width | 255 mm | 10.04 in |
| Sidewall height | 127.5 mm | 5.02 in |
| Rim diameter | 381 mm | 15 in |
| Circumference | 1998.0 mm | 78.66 in |
| Revolutions per mile | 805.5 | |
| Aspect ratio | 50% | |
Compare 255/50R15 to similar sizes
Frequently asked questions
What is the overall diameter of a 255/50R15 tire?
A 255/50R15 tire has an overall diameter of 25.04 inches (636 mm).
How tall is a 255/50R15 tire?
The sidewall height is 127.5 mm (5.02 inches), and the overall diameter from the ground to the top of the tire is 25.04 inches.
How many revolutions per mile does a 255/50R15 tire make?
A 255/50R15 tire makes approximately 805 revolutions per mile. Your speedometer is calibrated to this number.
What rim size does a 255/50R15 tire fit?
A 255/50R15 tire is designed for a 15-inch rim (381 mm).
All dimensions calculated using standard ETRTO formulas. Always confirm fitment with your vehicle's door-placard and a qualified tire professional before purchasing.