A 295/55R20 tire is 32.8″ tall and 11.6″ wide, and fits a 20″ wheel. In inches it is written 32.8×11.6R20.
Heights published by BFGoodrich, Mickey Thompson and Toyo for all 11 tires in this size. Their published revolutions per mile work out to 31.8–32.0″ under load (below).
Real 295/55R20 tires measure 32.76–33.20″, against 32.78″ from the size code. They run both taller and shorter than the size code.
Published revs per mile (630–635) mean the tire rolls like a 31.8–32.0″ tire on the vehicle. Use this for speedometer calibration.
The lightest (Toyo Open Country R/T Trail, SL) is 21.9 lb lighter per corner than the heaviest (Mickey Thompson Baja Boss M/T, LT E).
Sort by the spec you care about.
| Load | Revs/mi | Source | |||||
|---|---|---|---|---|---|---|---|
| Toyo Open Country R/T TrailRugged-terrain | SL · 116T | 32.76 | 46.1 | 13.7 | 2,756 | 634 | Spec page |
| Toyo Open Country A/T IIIAll-terrain | SL · 116T | 32.76 | 48.7 | 13.7 | 2,756 | 634 | Spec page |
| Toyo Open Country A/T IIIAll-terrain | LT E · 123/120T | 32.76 | 58.3 | 16.6 | 3,415 | 634 | Spec page |
| Toyo Open Country R/T TrailRugged-terrain | LT E · 123/120Q | 32.76 | 60.2 | 16.6 | 3,415 | 634 | Spec page |
| Toyo Open Country R/T ProRugged-terrain | LT E · 123/120Q | 32.80 | 62.6 | 17.1 | 3,415 | 634 | Spec page |
| BFGoodrich All-Terrain T/A KO3All-terrain | LT E · 123S | 32.80 | 63.0 | 16.0 | 3,415 | 635 | Spec page |
| Mickey Thompson Baja Legend EXPAll-terrain | LT E · 123Q | 33.10 | 63.0 | 18.5 | 3,415 | – | Spec page |
| Mickey Thompson Baja Legend MTZMud-terrain | LT E · 123Q | 33.10 | 64.0 | 20.0 | 3,415 | – | Spec page |
| Mickey Thompson Baja Boss A/TAll-terrain | LT E · 123Q | 33.20 | 67.0 | 18.5 | 3,415 | – | Spec page |
| Toyo Open Country M/TMud-terrain | LT E · 123/120P | 32.99 | 67.5 | 19.4 | 3,415 | 630 | Spec page |
| Mickey Thompson Baja Boss M/TMud-terrain | LT E · 123Q | 33.10 | 68.0 | 20.0 | 3,415 | – | Spec page |
Yes. The size code works out to 32.78″, and the 11 tires here publish 32.76–33.20″, so people call it a 33.
All 33-inch tire sizes, on every wheel size.
A true 33×11.50R20 is 0.22″ taller on paper and 0.1″ narrower.
Differences in overall diameter, calculated from each size code.
| Size | Diameter ″ | vs 295/55R20 | Difference |
|---|---|---|---|
| 305/50R20 | 32.01 | -0.77″ | -2.3% |
| 255/60R20 | 32.05 | -0.73″ | -2.2% |
| 285/55R20 | 32.34 | -0.43″ | -1.3% |
| 265/60R20 | 32.52 | -0.26″ | -0.8% |
| 275/60R20 | 32.99 | +0.22″ | +0.7% |
| 33×11.50R20 | 33.00 | +0.22″ | +0.7% |
| 33×12.50R20 | 33.00 | +0.22″ | +0.7% |
| 33×13.50R20 | 33.00 | +0.22″ | +0.7% |
| 305/55R20 | 33.21 | +0.43″ | +1.3% |
| 285/60R20 | 33.46 | +0.69″ | +2.1% |
Marks a light truck (LT) tire.
A percentage, not a measurement: the sidewall is 55% as tall as the tire is wide, which is 162.3 mm or 6.39 inches.
Radial construction.
Mounts on a 20-inch wheel. Approved wheel widths run 8.0″ to 10.5″.
Each tire carries up to 3,415 lb (1,550 kg) at its maximum pressure.
Rated for up to 99 mph sustained.
Printed separately as "LOAD RANGE E": a 10-ply rating, inflated up to 80 psi (standard load-range table). The load range E tires here carry up to 3,415 lb each, as published.
| Specification | Inches | Metric |
|---|---|---|
| Overall diameter | 32.78 | 833 mm |
| Section width | 11.61 | 295 mm |
| Sidewall height | 6.39 | 162.3 mm |
| Circumference | 103.0 | 2,615 mm |
| Revolutions per mile (calculated, unloaded) | 615.3 | 382 per km |
| Revolutions per mile (published by manufacturers) | 630–635 | 391–395 per km |
| Approved wheel width | 8.0–10.5 | 203–267 mm |
32.78 inches tall, 11.61 inches wide, on a 20-inch wheel. Written in inches, that is roughly 32.8×11.6R20.
Between 46.1 lb and 68.0 lb for the 11 tires listed here. The lightest is the Toyo Open Country R/T Trail (SL); the heaviest is the Mickey Thompson Baja Boss M/T (LT E).
Manufacturers approve 8.0–10.5″ wide wheels for this size.
Published figures run 630–635 revolutions per mile. The calculated figure is 615.3, but manufacturers measure the tire under load, where it rolls on a smaller radius.
Passenger tires (2 here) are built for passenger loads, with max loads of 2756 lb. Light-truck tires (9 here) come in heavier load ranges with max loads of 3415 lb, and are usually heavier with deeper tread.
0.26 inches taller on paper (32.78″ vs 32.52″), which raises the axle about 0.13″. Your speedometer will read about 0.8% slow.