375/45R22 tire size
375/45R22 is a metric size: 35.3" tall, 14.8" wide, on a 22" rim — about a 35.5x15.00R22. The sidewall is 6.6" and the tire turns 572 times per mile.
375/45R22 specs
| Overall diameter (height) | 35.29" · 896 mm |
|---|---|
| Section width | 14.76" · 375 mm |
| Sidewall height | 6.64" · 169 mm (45% of width) |
| Rim diameter | 22" |
| Circumference | 110.86" · 2.816 m |
| Revolutions per mile | 572 (355 per km) |
| Inch (flotation) equivalent | 35.5x15.00R22 |
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 | |
|---|---|---|---|---|---|
| 35x12.50R22 | 35.00" | -0.81% | -57 mm | 59.5 mph | calculate → |
| 37x13.50R22 | 37.00" | +4.85% | -32 mm | 62.9 mph | calculate → |
| 325/50R22 | 34.80" | -1.39% | -50 mm | 59.2 mph | calculate → |
| 285/55R22 | 34.34" | -2.68% | -90 mm | 58.4 mph | calculate → |
| 37x12.50R22 | 37.00" | +4.85% | -57 mm | 62.9 mph | calculate → |
| 295/55R22 | 34.78" | -1.45% | -80 mm | 59.1 mph | calculate → |
| 295/50R22 | 33.61" | -4.74% | -80 mm | 57.2 mph | calculate → |
| 305/55R22 | 35.21" | -0.22% | -70 mm | 59.9 mph | calculate → |
| 35x15.50R22 | 35.00" | -0.81% | +19 mm | 59.5 mph | calculate → |
| 265/60R22 | 34.52" | -2.18% | -110 mm | 58.7 mph | calculate → |
| 275/60R22 | 34.99" | -0.84% | -100 mm | 59.5 mph | calculate → |
| 325/55R22 | 36.07" | +2.23% | -50 mm | 61.3 mph | calculate → |
| 305/50R22 | 34.01" | -3.63% | -70 mm | 57.8 mph | calculate → |
| 35x13.50R22 | 35.00" | -0.81% | -32 mm | 59.5 mph | calculate → |
| 35x14.50R22 | 35.00" | -0.81% | -7 mm | 59.5 mph | calculate → |
| 335/55R22 | 36.51" | +3.46% | -40 mm | 62.1 mph | calculate → |
Try another size against 375/45R22
Questions
What size is 375/45R22 in inches?
375/45R22 is about 35.3" tall and 14.8" wide on a 22-inch rim — roughly a 35.5x15.00R22 in inch sizing.
What does 375/45R22 mean?
375 mm section width, sidewall 45% of the width (6.64"), radial construction, 22-inch rim.
What tire sizes are equivalent to 375/45R22?
On the same 22" rim, within 3% of the diameter: 305/55R22 (-0.22%), 35x12.50R22 (-0.81%), 35x13.50R22 (-0.81%), 35x14.50R22 (-0.81%), 35x15.50R22 (-0.81%), 275/60R22 (-0.84%).
How many revolutions per mile does a 375/45R22 tire make?
About 572 revolutions per mile (circumference 110.9").
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.