185/70R17 tire size
185/70R17 in inches: 27.20" overall diameter — 7.28" wide, 5.10" sidewall.
Overall diameter 27.20 in 690.8 mm
Section width 7.28 in 185 mm
Sidewall height 5.10 in 129.5 mm
Revs / mile 742 speedo calibration
Full dimensions
| Measurement | Metric | Imperial |
|---|---|---|
| Overall diameter | 690.8 mm | 27.20 in |
| Section width | 185 mm | 7.28 in |
| Sidewall height | 129.5 mm | 5.10 in |
| Rim diameter | 431.8 mm | 17 in |
| Circumference | 2170.2 mm | 85.44 in |
| Revolutions per mile | 741.6 | |
| Aspect ratio | 70% | |
Compare 185/70R17 to similar sizes
Frequently asked questions
What is the overall diameter of a 185/70R17 tire?
A 185/70R17 tire has an overall diameter of 27.20 inches (690.8 mm).
How tall is a 185/70R17 tire?
The sidewall height is 129.5 mm (5.10 inches), and the overall diameter from the ground to the top of the tire is 27.20 inches.
How many revolutions per mile does a 185/70R17 tire make?
A 185/70R17 tire makes approximately 742 revolutions per mile. Your speedometer is calibrated to this number.
What rim size does a 185/70R17 tire fit?
A 185/70R17 tire is designed for a 17-inch rim (431.8 mm).
All dimensions calculated using standard ETRTO formulas. Always confirm fitment with your vehicle's door-placard and a qualified tire professional before purchasing.