185/55R16 tire size
185/55R16 in inches: 24.01" overall diameter — 7.28" wide, 4.01" sidewall.
Overall diameter 24.01 in 609.9 mm
Section width 7.28 in 185 mm
Sidewall height 4.01 in 101.75 mm
Revs / mile 840 speedo calibration
Full dimensions
| Measurement | Metric | Imperial |
|---|---|---|
| Overall diameter | 609.9 mm | 24.01 in |
| Section width | 185 mm | 7.28 in |
| Sidewall height | 101.75 mm | 4.01 in |
| Rim diameter | 406.4 mm | 16 in |
| Circumference | 1916.1 mm | 75.44 in |
| Revolutions per mile | 839.9 | |
| Aspect ratio | 55% | |
Compare 185/55R16 to similar sizes
Frequently asked questions
What is the overall diameter of a 185/55R16 tire?
A 185/55R16 tire has an overall diameter of 24.01 inches (609.9 mm).
How tall is a 185/55R16 tire?
The sidewall height is 101.75 mm (4.01 inches), and the overall diameter from the ground to the top of the tire is 24.01 inches.
How many revolutions per mile does a 185/55R16 tire make?
A 185/55R16 tire makes approximately 840 revolutions per mile. Your speedometer is calibrated to this number.
What rim size does a 185/55R16 tire fit?
A 185/55R16 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.