255/40R16 tire size
255/40R16 in inches: 24.03" overall diameter — 10.04" wide, 4.02" sidewall.
Overall diameter 24.03 in 610.4 mm
Section width 10.04 in 255 mm
Sidewall height 4.02 in 102 mm
Revs / mile 839 speedo calibration
Full dimensions
| Measurement | Metric | Imperial |
|---|---|---|
| Overall diameter | 610.4 mm | 24.03 in |
| Section width | 255 mm | 10.04 in |
| Sidewall height | 102 mm | 4.02 in |
| Rim diameter | 406.4 mm | 16 in |
| Circumference | 1917.6 mm | 75.50 in |
| Revolutions per mile | 839.2 | |
| Aspect ratio | 40% | |
Compare 255/40R16 to similar sizes
Frequently asked questions
What is the overall diameter of a 255/40R16 tire?
A 255/40R16 tire has an overall diameter of 24.03 inches (610.4 mm).
How tall is a 255/40R16 tire?
The sidewall height is 102 mm (4.02 inches), and the overall diameter from the ground to the top of the tire is 24.03 inches.
How many revolutions per mile does a 255/40R16 tire make?
A 255/40R16 tire makes approximately 839 revolutions per mile. Your speedometer is calibrated to this number.
What rim size does a 255/40R16 tire fit?
A 255/40R16 tire is designed for a 16-inch rim (406.4 mm).
All dimensions calculated using standard ETRTO formulas. Always confirm fitment with your vehicle's door-placard and a qualified tire professional before purchasing.