325/60R22 tire size
325/60R22 is a metric size: 37.4" tall, 12.8" wide, on a 22" rim — about a 37.5x13.00R22. The sidewall is 7.7" and the tire turns 540 times per mile.
325/60R22 specs
| Overall diameter (height) | 37.35" · 949 mm |
|---|---|
| Section width | 12.80" · 325 mm |
| Sidewall height | 7.68" · 195 mm (60% of width) |
| Rim diameter | 22" |
| Circumference | 117.35" · 2.981 m |
| Revolutions per mile | 540 (335 per km) |
| Inch (flotation) equivalent | 37.5x13.00R22 |
Equivalent sizes on a 22" rim
Sizes within ±5% of the overall diameter. Green rows are inside the usual ±3% limit for keeping the speedometer, ABS and gearing right; red rows are bigger changes that need clearance checks.
| Size | Diameter | Difference | Width | Speedo at 60 | |
|---|---|---|---|---|---|
| 37x13.50R22 | 37.00" | -0.95% | +18 mm | 59.4 mph | calculate → |
| 37x12.50R22 | 37.00" | -0.95% | -7 mm | 59.4 mph | calculate → |
| 38x13.50R22 | 38.00" | +1.73% | +18 mm | 61.0 mph | calculate → |
| 38x15.50R22 | 38.00" | +1.73% | +69 mm | 61.0 mph | calculate → |
| 325/55R22 | 36.07" | -3.43% | 0 mm | 57.9 mph | calculate → |
| 335/55R22 | 36.51" | -2.27% | +10 mm | 58.6 mph | calculate → |
| 355/60R22 | 38.77" | +3.79% | +30 mm | 62.3 mph | calculate → |
Try another size against 325/60R22
Questions
What size is 325/60R22 in inches?
325/60R22 is about 37.4" tall and 12.8" wide on a 22-inch rim — roughly a 37.5x13.00R22 in inch sizing.
What does 325/60R22 mean?
325 mm section width, sidewall 60% of the width (7.68"), radial construction, 22-inch rim.
What tire sizes are equivalent to 325/60R22?
On the same 22" rim, within 3% of the diameter: 37x12.50R22 (-0.95%), 37x13.50R22 (-0.95%), 38x13.50R22 (+1.73%), 38x15.50R22 (+1.73%), 335/55R22 (-2.27%), 325/55R22 (-3.43%).
How many revolutions per mile does a 325/60R22 tire make?
About 540 revolutions per mile (circumference 117.4").
How these numbers are computed
Diameter = rim + 2 × sidewall, sidewall = width × aspect ÷ 100, circumference = π × diameter, revolutions per mile = 63,360 ÷ circumference. Real tires differ by brand by a few tenths of an inch. Last reviewed October 14, 2026.