255/70R15 tire size
A 255/70R15 tire stands 29.1 inches tall and 10.0 inches wide, with a 7.0-inch sidewall on a 15-inch rim.
- Overall height
- 29.1 in738 mm
- Section width
- 10.0 in255 mm
- Sidewall height
- 7.0 in179 mm
- Rim diameter
- 15 in381 mm
- Circumference
- 91.3 in2318 mm
- Revolutions per mile
- 694431 per km
- Inch size
- 29.1x10.0R15
Compare it with any other size in the tire size calculator.
Sizes you can swap to
These 15-inch sizes are within two width steps and 3% of a 255/70R15's overall height, the usual limit before the speedometer, ABS and transmission notice. The closest is 275/65R15, 0.1% taller (0.02 in). Wider sizes also need room in the wheel well and a rim width that suits them.
Plus and minus sizes
Changing rim size means changing the sidewall to keep the same overall height. On 14-inch or 16-inch or 17-inch rims, these are the closest matches to a 255/70R15.
Other 15-inch sizes near 255/70R15
255 mm wide, other sidewalls
70 series, other widths
See the other sizes for this rim on 15-inch tire sizes.
Shop 255/70R15 tires
These open each store's own list of 255/70R15 tires, where you can filter by type, load and speed rating.
255/70R15 questions
How tall is a 255/70R15 tire?
About 29.1 inches (738 mm) from the ground to the top of the tread, unloaded. On the vehicle, carrying weight, it sits a little lower.
What does 255/70R15 mean?
255 is the section width in millimetres (10.0 in). 70 means the sidewall is 70% of that width: 179 mm, or 7.0 in. R means radial construction, and 15 is the rim diameter in inches.
Can I use 275/65R15 instead of 255/70R15?
275/65R15 is 0.1% taller (0.02 in) and 20 mm wider, which is inside the usual 3% rule. With it fitted, the speedometer shows 60 mph when you are doing 60.0 mph. Make sure the extra width clears the suspension and fender liner at full lock.
What is 255/70R15 in inches?
In inch terms it is 29.1x10.0R15: 29.1 inches tall, 10.0 inches wide, for a 15-inch rim.
How many revolutions per mile does a 255/70R15 make?
About 694 turns per mile, worked out from its unloaded circumference of 91.3 inches. Makers list slightly higher numbers for their own tires, because a loaded tire rolls on a smaller radius.