245/40R15 tire size
245/40R15 in inches: 22.72" overall diameter — 9.65" wide, 3.86" sidewall.
Overall diameter 22.72 in 577 mm
Section width 9.65 in 245 mm
Sidewall height 3.86 in 98 mm
Revs / mile 888 speedo calibration
Full dimensions
| Measurement | Metric | Imperial |
|---|---|---|
| Overall diameter | 577 mm | 22.72 in |
| Section width | 245 mm | 9.65 in |
| Sidewall height | 98 mm | 3.86 in |
| Rim diameter | 381 mm | 15 in |
| Circumference | 1812.7 mm | 71.37 in |
| Revolutions per mile | 887.8 | |
| Aspect ratio | 40% | |
Compare 245/40R15 to similar sizes
Frequently asked questions
What is the overall diameter of a 245/40R15 tire?
A 245/40R15 tire has an overall diameter of 22.72 inches (577 mm).
How tall is a 245/40R15 tire?
The sidewall height is 98 mm (3.86 inches), and the overall diameter from the ground to the top of the tire is 22.72 inches.
How many revolutions per mile does a 245/40R15 tire make?
A 245/40R15 tire makes approximately 888 revolutions per mile. Your speedometer is calibrated to this number.
What rim size does a 245/40R15 tire fit?
A 245/40R15 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.