305/50R15 tire size
305/50R15 in inches: 27.01" overall diameter — 12.01" wide, 6.00" sidewall.
Overall diameter 27.01 in 686 mm
Section width 12.01 in 305 mm
Sidewall height 6.00 in 152.5 mm
Revs / mile 747 speedo calibration
Full dimensions
| Measurement | Metric | Imperial |
|---|---|---|
| Overall diameter | 686 mm | 27.01 in |
| Section width | 305 mm | 12.01 in |
| Sidewall height | 152.5 mm | 6.00 in |
| Rim diameter | 381 mm | 15 in |
| Circumference | 2155.1 mm | 84.85 in |
| Revolutions per mile | 746.8 | |
| Aspect ratio | 50% | |
Compare 305/50R15 to similar sizes
Frequently asked questions
What is the overall diameter of a 305/50R15 tire?
A 305/50R15 tire has an overall diameter of 27.01 inches (686 mm).
How tall is a 305/50R15 tire?
The sidewall height is 152.5 mm (6.00 inches), and the overall diameter from the ground to the top of the tire is 27.01 inches.
How many revolutions per mile does a 305/50R15 tire make?
A 305/50R15 tire makes approximately 747 revolutions per mile. Your speedometer is calibrated to this number.
What rim size does a 305/50R15 tire fit?
A 305/50R15 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.