Compare any two sizes. Pick a common width, profile, and wheel, or choose Other and type a size such as 265/75R16 or 33x12.50R15.Pick width, profile, and wheel, or choose Other and type a size.
| Current Tire | New Tire | DifferenceDiff |
|---|
| Speedo ReadingSpeedo | Actual SpeedActual |
|---|
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Swipe the axle row sideways to see every ratio.Swipe sideways for every ratio.
RPM is for the new tire at 65 mph in a 1:1 gear. The highlighted cells are the usual economy, factory, and power axle ranges for that diameter.New tire at 65 mph in a 1:1 gear. Colors mark economy, factory, and power ranges.