tireheight.com245/60R20 in inches
A 245/60R20 tire is 31.6″ tall and 9.6″ wide, and fits a 20″ wheel. In inches it is written 31.6×9.6R20.
How tall 245/60R20 tires really are
Heights published by BFGoodrich, General, Michelin and Toyo for all 8 tires in this size. Their published revolutions per mile work out to 30.6–30.7″ under load (below).
Real 245/60R20 tires measure 31.50–31.60″, against 31.57″ from the size code. They run both taller and shorter than the size code.
Published revs per mile (658–659) mean the tire rolls like a 30.6–30.7″ tire on the vehicle. Use this for speedometer calibration.
The lightest (General Grabber HTS60, SL) is 8.1 lb lighter per corner than the heaviest (BFGoodrich Trail-Terrain T/A+, SL).
8 tires in 245/60R20
Sort by the spec you care about.
| Load | Revs/mi | Source | |||||
|---|---|---|---|---|---|---|---|
| General Grabber HTS60Touring | SL · 107H | 31.60 | 33.4 | 12.0 | 2,149 | 658 | Spec page |
| General Grabber H/THighway | SL · 107H | 31.60 | 34.3 | 12.0 | 2,149 | 658 | Spec page |
| Michelin Defender LTX M/S 2All-season | XL · 111H | 31.50 | 34.8 | 11.0 | 2,403 | 659 | Spec page |
| Michelin X-Ice SnowWinter | SL · 107T | 31.57 | 35.1 | 10.5 | 2,149 | 659 | Spec page |
| Toyo Open Country A/T IIIAll-terrain | SL · 107T | 31.57 | 36.9 | 13.1 | 2,149 | 658 | Spec page |
| BFGoodrich Advantage ControlAll-season | SL · 107H | 31.57 | 38.0 | 11.5 | 2,149 | 659 | Spec page |
| BFGoodrich Trail-Terrain T/AAll-terrain | SL · 107H | 31.60 | 40.4 | 12.5 | 2,150 | 659 | Spec page |
| BFGoodrich Trail-Terrain T/A+ | SL · 107H | 31.60 | 41.5 | 12.5 | 2,150 | 659 | Spec page |
Is 245/60R20 a 32-inch tire?
Close. The size code works out to 31.57″, and the 8 tires here publish 31.50–31.60″, so people call it a 32.
All 32-inch tire sizes, on every wheel size.
Compare with nearby sizes
Differences in overall diameter, calculated from each size code.
How to read 245/60R20
A percentage, not a measurement: the sidewall is 60% as tall as the tire is wide, which is 147.0 mm or 5.79 inches.
Radial construction.
Mounts on a 20-inch wheel. Approved wheel widths run 7.0″ to 8.5″.
Each tire carries up to 2,149 lb (975 kg) at its maximum pressure.
Rated for up to 130 mph sustained.
| Specification | Inches | Metric |
|---|---|---|
| Overall diameter | 31.57 | 802 mm |
| Section width | 9.65 | 245 mm |
| Sidewall height | 5.79 | 147.0 mm |
| Circumference | 99.2 | 2,520 mm |
| Revolutions per mile (calculated, unloaded) | 638.7 | 397 per km |
| Revolutions per mile (published by manufacturers) | 658–659 | 409 per km |
| Approved wheel width | 7.0–8.5 | 178–216 mm |
Speedometer error after switching to 245/60R20
Questions about 245/60R20
What is 245/60R20 in inches?
31.57 inches tall, 9.65 inches wide, on a 20-inch wheel. Written in inches, that is roughly 31.6×9.6R20.
How much does a 245/60R20 tire weigh?
Between 33.4 lb and 41.5 lb for the 8 tires listed here. The lightest is the General Grabber HTS60 (SL); the heaviest is the BFGoodrich Trail-Terrain T/A+ (SL).
What wheel width do I need for 245/60R20?
Manufacturers approve 7.0–8.5″ wide wheels for this size.
How many revolutions per mile does a 245/60R20 make?
Published figures run 658–659 revolutions per mile. The calculated figure is 638.7, but manufacturers measure the tire under load, where it rolls on a smaller radius.
How much taller is 245/60R20 than 265/55R20?
0.10 inches taller on paper (31.57″ vs 31.48″), which raises the axle about 0.05″. Your speedometer will read about 0.3% slow.