255/45R19 tire size
255/45R19 in inches: 28.04" overall diameter — 10.04" wide, 4.52" sidewall.
Overall diameter 28.04 in 712.1 mm
Section width 10.04 in 255 mm
Sidewall height 4.52 in 114.75 mm
Revs / mile 719 speedo calibration
Full dimensions
| Measurement | Metric | Imperial |
|---|---|---|
| Overall diameter | 712.1 mm | 28.04 in |
| Section width | 255 mm | 10.04 in |
| Sidewall height | 114.75 mm | 4.52 in |
| Rim diameter | 482.6 mm | 19 in |
| Circumference | 2237.1 mm | 88.08 in |
| Revolutions per mile | 719.4 | |
| Aspect ratio | 45% | |
Compare 255/45R19 to similar sizes
Frequently asked questions
What is the overall diameter of a 255/45R19 tire?
A 255/45R19 tire has an overall diameter of 28.04 inches (712.1 mm).
How tall is a 255/45R19 tire?
The sidewall height is 114.75 mm (4.52 inches), and the overall diameter from the ground to the top of the tire is 28.04 inches.
How many revolutions per mile does a 255/45R19 tire make?
A 255/45R19 tire makes approximately 719 revolutions per mile. Your speedometer is calibrated to this number.
What rim size does a 255/45R19 tire fit?
A 255/45R19 tire is designed for a 19-inch rim (482.6 mm).
All dimensions calculated using standard ETRTO formulas. Always confirm fitment with your vehicle's door-placard and a qualified tire professional before purchasing.