265/45R22 tire size
265/45R22 is a metric size: 31.4" tall, 10.4" wide, on a 22" rim — about a 31.5x10.50R22. The sidewall is 4.7" and the tire turns 643 times per mile.
265/45R22 specs
| Overall diameter (height) | 31.39" · 797 mm |
|---|---|
| Section width | 10.43" · 265 mm |
| Sidewall height | 4.69" · 119 mm (45% of width) |
| Rim diameter | 22" |
| Circumference | 98.61" · 2.505 m |
| Revolutions per mile | 643 (399 per km) |
| Inch (flotation) equivalent | 31.5x10.50R22 |
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 | |
|---|---|---|---|---|---|
| 285/45R22 common | 32.10" | +2.26% | +20 mm | 61.4 mph | calculate → |
| 275/50R22 common | 32.83" | +4.58% | +10 mm | 62.7 mph | calculate → |
| 275/40R22 | 30.66" | -2.32% | +10 mm | 58.6 mph | calculate → |
| 265/40R22 | 30.35" | -3.32% | 0 mm | 58.0 mph | calculate → |
| 285/35R22 | 29.85" | -4.89% | +20 mm | 57.1 mph | calculate → |
| 285/40R22 | 30.98" | -1.32% | +20 mm | 59.2 mph | calculate → |
| 305/45R22 | 32.81" | +4.52% | +40 mm | 62.7 mph | calculate → |
| 275/45R22 | 31.74" | +1.13% | +10 mm | 60.7 mph | calculate → |
| 305/40R22 | 31.61" | +0.69% | +40 mm | 60.4 mph | calculate → |
| 325/35R22 | 30.96" | -1.38% | +60 mm | 59.2 mph | calculate → |
| 315/35R22 | 30.68" | -2.26% | +50 mm | 58.6 mph | calculate → |
| 295/35R22 | 30.13" | -4.01% | +30 mm | 57.6 mph | calculate → |
| 295/40R22 | 31.29" | -0.31% | +30 mm | 59.8 mph | calculate → |
| 255/40R22 | 30.03" | -4.33% | -10 mm | 57.4 mph | calculate → |
| 255/45R22 | 31.04" | -1.13% | -10 mm | 59.3 mph | calculate → |
| 325/40R22 | 32.24" | +2.70% | +60 mm | 61.6 mph | calculate → |
| 265/50R22 | 32.43" | +3.32% | 0 mm | 62.0 mph | calculate → |
| 305/35R22 | 30.41" | -3.14% | +40 mm | 58.1 mph | calculate → |
Plus / minus sizing: 21" and 23" rims
Same overall height on a different rim. Check wheel width and clearance before switching.
| Size | Diameter | Difference | Width | Speedo at 60 | |
|---|---|---|---|---|---|
| 285/45R21 | 31.10" | -0.93% | +20 mm | 59.4 mph | calculate → |
| 295/35R23 | 31.13" | -0.83% | +30 mm | 59.5 mph | calculate → |
| 305/35R23 | 31.41" | +0.05% | +40 mm | 60.0 mph | calculate → |
| 325/40R21 | 31.24" | -0.49% | +60 mm | 59.7 mph | calculate → |
| 275/40R23 | 31.66" | +0.87% | +10 mm | 60.5 mph | calculate → |
Try another size against 265/45R22
Questions
What size is 265/45R22 in inches?
265/45R22 is about 31.4" tall and 10.4" wide on a 22-inch rim — roughly a 31.5x10.50R22 in inch sizing.
What does 265/45R22 mean?
265 mm section width, sidewall 45% of the width (4.69"), radial construction, 22-inch rim.
What tire sizes are equivalent to 265/45R22?
On the same 22" rim, within 3% of the diameter: 295/40R22 (-0.31%), 305/40R22 (+0.69%), 255/45R22 (-1.13%), 275/45R22 (+1.13%), 285/40R22 (-1.32%), 325/35R22 (-1.38%).
How many revolutions per mile does a 265/45R22 tire make?
About 643 revolutions per mile (circumference 98.6").
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.