315/30R15 tire size
315/30R15 in inches: 22.44" overall diameter — 12.40" wide, 3.72" sidewall.
Overall diameter 22.44 in 570 mm
Section width 12.40 in 315 mm
Sidewall height 3.72 in 94.5 mm
Revs / mile 899 speedo calibration
Full dimensions
| Measurement | Metric | Imperial |
|---|---|---|
| Overall diameter | 570 mm | 22.44 in |
| Section width | 315 mm | 12.40 in |
| Sidewall height | 94.5 mm | 3.72 in |
| Rim diameter | 381 mm | 15 in |
| Circumference | 1790.7 mm | 70.50 in |
| Revolutions per mile | 898.7 | |
| Aspect ratio | 30% | |
Compare 315/30R15 to similar sizes
Frequently asked questions
What is the overall diameter of a 315/30R15 tire?
A 315/30R15 tire has an overall diameter of 22.44 inches (570 mm).
How tall is a 315/30R15 tire?
The sidewall height is 94.5 mm (3.72 inches), and the overall diameter from the ground to the top of the tire is 22.44 inches.
How many revolutions per mile does a 315/30R15 tire make?
A 315/30R15 tire makes approximately 899 revolutions per mile. Your speedometer is calibrated to this number.
What rim size does a 315/30R15 tire fit?
A 315/30R15 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.