tireheight.com325/60R20 in inches
A 325/60R20 tire is 35.4″ tall and 12.8″ wide, and fits a 20″ wheel. In inches it is written 35.4×12.8R20.
How tall 325/60R20 tires really are
Heights published by BFGoodrich, General and Toyo for all 5 tires in this size. Their published revolutions per mile work out to 34.3″ under load (below).
Real 325/60R20 tires measure 35.35–35.40″, against 35.35″ from the size code. They run both taller and shorter than the size code.
Published revs per mile (588) mean the tire rolls like a 34.3″ tire on the vehicle. Use this for speedometer calibration.
The lightest (General Grabber A/TX, LT E) is 9.8 lb lighter per corner than the heaviest (BFGoodrich Mud-Terrain T/A KM3, LT E).
5 tires in 325/60R20
Sort by the spec you care about.
| Load | Revs/mi | Source | |||||
|---|---|---|---|---|---|---|---|
| General Grabber A/TXAll-terrain | LT E · 126S | 35.40 | 66.6 | 16.0 | 3,750 | 588 | Spec page |
| Toyo Open Country A/T IIIAll-terrain | LT E · 126/123R | 35.35 | 70.1 | 17.0 | 3,750 | 588 | Spec page |
| Toyo Open Country R/TRugged-terrain | LT E · 126/123Q | 35.35 | 74.5 | 16.4 | 3,750 | 588 | Spec page |
| BFGoodrich All-Terrain T/A KO3All-terrain | LT F · 128S | 35.40 | 75.0 | 16.0 | 3,970 | 588 | Spec page |
| BFGoodrich Mud-Terrain T/A KM3Mud-terrain | LT E · 126Q | 35.40 | 76.4 | 18.0 | 3,750 | 588 | Spec page |
Is 325/60R20 a 35-inch tire?
Close. The size code works out to 35.35″, and the 5 tires here publish 35.35–35.40″, so people call it a 35.
All 35-inch tire sizes, on every wheel size.
A true 35×11.50R20 is 0.35″ shorter on paper and 1.3″ narrower.
Compare with nearby sizes
Differences in overall diameter, calculated from each size code.
| Size | Diameter ″ | vs 325/60R20 | Difference |
|---|---|---|---|
| 285/65R20 | 34.59 | -0.77″ | -2.2% |
| 265/70R20 | 34.61 | -0.75″ | -2.1% |
| 315/60R20 | 34.88 | -0.47″ | -1.3% |
| 35×11.50R20 | 35.00 | -0.35″ | -1.0% |
| 35×12.50R20 | 35.00 | -0.35″ | -1.0% |
| 35×13.50R20 | 35.00 | -0.35″ | -1.0% |
| 35×15.50R20 | 35.00 | -0.35″ | -1.0% |
| 295/65R20 | 35.10 | -0.26″ | -0.7% |
| 285/70R20 | 35.71 | +0.35″ | +1.0% |
| 36×15.50R20 | 36.00 | +0.65″ | +1.8% |
How to read 325/60R20
Marks a light truck (LT) tire.
A percentage, not a measurement: the sidewall is 60% as tall as the tire is wide, which is 195.0 mm or 7.68 inches.
Radial construction.
Mounts on a 20-inch wheel. Approved wheel widths run 9.0″ to 12.0″.
Each tire carries up to 3,970 lb (1,800 kg) at its maximum pressure.
Rated for up to 112 mph sustained.
Printed separately as "LOAD RANGE F": a 12-ply rating, inflated up to 95 psi (standard load-range table). The load range F tires here carry up to 3,970 lb each, as published.
| Specification | Inches | Metric |
|---|---|---|
| Overall diameter | 35.35 | 898 mm |
| Section width | 12.80 | 325 mm |
| Sidewall height | 7.68 | 195.0 mm |
| Circumference | 111.1 | 2,821 mm |
| Revolutions per mile (calculated, unloaded) | 570.5 | 354 per km |
| Revolutions per mile (published by manufacturers) | 588 | 365 per km |
| Approved wheel width | 9.0–12.0 | 229–305 mm |
Speedometer error after switching to 325/60R20
Questions about 325/60R20
What is 325/60R20 in inches?
35.35 inches tall, 12.80 inches wide, on a 20-inch wheel. Written in inches, that is roughly 35.4×12.8R20.
How much does a 325/60R20 tire weigh?
Between 66.6 lb and 76.4 lb for the 5 tires listed here. The lightest is the General Grabber A/TX (LT E); the heaviest is the BFGoodrich Mud-Terrain T/A KM3 (LT E).
What wheel width do I need for 325/60R20?
Manufacturers approve 9.0–12.0″ wide wheels for this size.
How many revolutions per mile does a 325/60R20 make?
Published figures run 588 revolutions per mile. The calculated figure is 570.5, but manufacturers measure the tire under load, where it rolls on a smaller radius.
How much taller is 325/60R20 than 295/65R20?
0.26 inches taller on paper (35.35″ vs 35.10″), which raises the axle about 0.13″. Your speedometer will read about 0.7% slow.