155/80R15 tire size
155/80R15 in inches: 24.76" overall diameter — 6.10" wide, 4.88" sidewall.
Overall diameter 24.76 in 629 mm
Section width 6.10 in 155 mm
Sidewall height 4.88 in 124 mm
Revs / mile 814 speedo calibration
Full dimensions
| Measurement | Metric | Imperial |
|---|---|---|
| Overall diameter | 629 mm | 24.76 in |
| Section width | 155 mm | 6.10 in |
| Sidewall height | 124 mm | 4.88 in |
| Rim diameter | 381 mm | 15 in |
| Circumference | 1976.1 mm | 77.80 in |
| Revolutions per mile | 814.4 | |
| Aspect ratio | 80% | |
Compare 155/80R15 to similar sizes
Frequently asked questions
What is the overall diameter of a 155/80R15 tire?
A 155/80R15 tire has an overall diameter of 24.76 inches (629 mm).
How tall is a 155/80R15 tire?
The sidewall height is 124 mm (4.88 inches), and the overall diameter from the ground to the top of the tire is 24.76 inches.
How many revolutions per mile does a 155/80R15 tire make?
A 155/80R15 tire makes approximately 814 revolutions per mile. Your speedometer is calibrated to this number.
What rim size does a 155/80R15 tire fit?
A 155/80R15 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.