245/60R19
245/60R19 is uncommon as OEM fitment but appears as an aftermarket upsize option. At 30.57″ diameter with a 5.79″ sidewall (60% of section width), this size turns 660 revolutions per mile.
About 245/60R19
245/60R19 is less common as a factory fitment but is available as an aftermarket size, so SKU selection is narrower than mainstream OEM sizes. At 30.57″ overall diameter, 245/60R19 turns 660 revolutions per mile, which is the reference point the factory speedometer and odometer were calibrated against. The 60% aspect ratio gives it a balanced sidewall — enough compliance for daily comfort without vague steering. The 19″ rim pairing is typical for full-size truck, premium SUV, and sport-sedan platforms, so compatible wheels are easy to source new or used. Going one step shorter to 235/60R19 drops diameter by 1.55%, which stays within the ±3% fitment safe zone for most vehicles. Stepping up to 235/65R19 adds 1.48% diameter — also inside the safe window, with marginally taller ride height. If you are shopping for a direct replacement, any tire within roughly ±0.7″ of the 30.57″ stock diameter (about ±2% in percentage terms) will keep ABS, TPMS, and odometer readings inside the vehicle's designed tolerance.
Compare with another size
275/65R18 or "33" for inch aliases245/60R19
- Diameter
- 30.57″ / 776.6mm
- Section Width
- 9.65″
- Sidewall
- 5.79″ / 147mm
- Circumference
- 96.05″
- Revs/Mile
- 660
235/55R19
- Diameter
- 29.18″ / 741.1mm
- Section Width
- 9.25″
- Sidewall
- 5.09″ / 129.25mm
- Circumference
- 91.66″
- Revs/Mile
- 691
Speedometer & Diameter Impact
At an indicated 60 mph, your actual speed is 57.26 mph (92.15 km/h). Your speedometer reads 4.57% high versus actual speed.