tireheight.com275/65R17 in inches
A 275/65R17 tire is 31.1″ tall and 10.8″ wide, and fits a 17″ wheel. In inches it is written 31.1×10.8R17.
How tall 275/65R17 tires really are
Heights published by BFGoodrich and Toyo for all 2 tires in this size. Their published revolutions per mile work out to 30.1–30.2″ under load (below).
Real 275/65R17 tires measure 31.10–31.10″, against 31.07″ from the size code. Every one runs taller than the size code.
Published revs per mile (668–669) mean the tire rolls like a 30.1–30.2″ tire on the vehicle. Use this for speedometer calibration.
The lightest (Toyo Observe G3-Ice, XL) is 11.8 lb lighter per corner than the heaviest (BFGoodrich All-Terrain T/A KO3, LT D).
2 tires in 275/65R17
Sort by the spec you care about.
Is 275/65R17 a 31-inch tire?
Yes. The size code works out to 31.07″, and the 2 tires here publish 31.10″, so people call it a 31.
All 31-inch tire sizes, on every wheel size.
Compare with nearby sizes
Differences in overall diameter, calculated from each size code.
How to read 275/65R17
Marks a light truck (LT) tire.
A percentage, not a measurement: the sidewall is 65% as tall as the tire is wide, which is 178.8 mm or 7.04 inches.
Radial construction.
Mounts on a 17-inch wheel. Approved wheel widths run 7.5″ to 9.5″.
Each tire carries up to 2,910 lb (1,320 kg) at its maximum pressure.
Rated for up to 112 mph sustained.
Printed separately as "LOAD RANGE D": a 8-ply rating, inflated up to 65 psi (standard load-range table). The load range D tires here carry up to 2,910 lb each, as published.
| Specification | Inches | Metric |
|---|---|---|
| Overall diameter | 31.07 | 789 mm |
| Section width | 10.83 | 275 mm |
| Sidewall height | 7.04 | 178.8 mm |
| Circumference | 97.6 | 2,480 mm |
| Revolutions per mile (calculated, unloaded) | 649.0 | 403 per km |
| Revolutions per mile (published by manufacturers) | 668–669 | 415–416 per km |
| Approved wheel width | 7.5–9.5 | 191–241 mm |
Speedometer error after switching to 275/65R17
Questions about 275/65R17
What is 275/65R17 in inches?
31.07 inches tall, 10.83 inches wide, on a 17-inch wheel. Written in inches, that is roughly 31.1×10.8R17.
How much does a 275/65R17 tire weigh?
Between 43.7 lb and 55.5 lb for the 2 tires listed here. The lightest is the Toyo Observe G3-Ice (XL); the heaviest is the BFGoodrich All-Terrain T/A KO3 (LT D).
What wheel width do I need for 275/65R17?
Manufacturers approve 7.5–9.5″ wide wheels for this size.
How many revolutions per mile does a 275/65R17 make?
Published figures run 668–669 revolutions per mile. The calculated figure is 649.0, but manufacturers measure the tire under load, where it rolls on a smaller radius.
What is the difference between P275/65R17 and LT275/65R17?
Passenger tires (1 here) are built for passenger loads, with max loads of 2998 lb. Light-truck tires (1 here) come in heavier load ranges with max loads of 2910 lb, and are usually heavier with deeper tread.
How much taller is 275/65R17 than 255/70R17?
0.02 inches taller on paper (31.07″ vs 31.06″), which raises the axle about 0.01″. Your speedometer will read about 0.1% slow.