33x12.50R22 tire size
33x12.50R22 is a flotation (inch) size: 33.0" tall, 12.5" wide, on a 22" rim — about a 320/45R22. The sidewall is 5.5" and the tire turns 611 times per mile.
33x12.50R22 specs
| Overall diameter (height) | 33.00" · 838 mm |
|---|---|
| Section width | 12.50" · 318 mm |
| Sidewall height | 5.50" · 140 mm (44% of width) |
| Rim diameter | 22" |
| Circumference | 103.67" · 2.633 m |
| Revolutions per mile | 611 (380 per km) |
| Closest metric size | 320/45R22 |
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" | -2.73% | -33 mm | 58.4 mph | compare → |
| 275/50R22 common | 32.83" | -0.52% | -43 mm | 59.7 mph | compare → |
| 305/45R22 | 32.81" | -0.58% | -13 mm | 59.6 mph | compare → |
| 275/45R22 | 31.74" | -3.81% | -43 mm | 57.7 mph | compare → |
| 305/40R22 | 31.61" | -4.22% | -13 mm | 57.5 mph | compare → |
| 285/55R22 | 34.34" | +4.07% | -33 mm | 62.4 mph | compare → |
| 285/50R22 | 33.22" | +0.67% | -33 mm | 60.4 mph | compare → |
| 295/50R22 | 33.61" | +1.86% | -23 mm | 61.1 mph | calculate → |
| 325/40R22 | 32.24" | -2.31% | +7 mm | 58.6 mph | calculate → |
| 265/50R22 | 32.43" | -1.72% | -53 mm | 59.0 mph | calculate → |
| 315/45R22 | 33.16" | +0.49% | -3 mm | 60.3 mph | calculate → |
| 355/40R22 | 33.18" | +0.55% | +37 mm | 60.3 mph | calculate → |
| 265/60R22 | 34.52" | +4.61% | -53 mm | 62.8 mph | calculate → |
| 305/50R22 | 34.01" | +3.05% | -13 mm | 61.8 mph | calculate → |
| 33x13.50R22 | 33.00" | 0.00% | +25 mm | 60.0 mph | calculate → |
| 33x14.50R22 | 33.00" | 0.00% | +50 mm | 60.0 mph | calculate → |
| 265/45R22 | 31.39" | -4.88% | -53 mm | 57.1 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 | |
|---|---|---|---|---|---|
| 275/55R21 | 32.91" | -0.27% | -43 mm | 59.8 mph | calculate → |
Try another size against 33x12.50R22
Questions
What size is 33x12.50R22 in inches?
33x12.50R22 is about 33.0" tall and 12.5" wide on a 22-inch rim — roughly a 320/45R22 in inch sizing.
What does 33x12.50R22 mean?
33" overall diameter, 12.50" section width, radial, 22" rim.
What tire sizes are equivalent to 33x12.50R22?
On the same 22" rim, within 3% of the diameter: 33x13.50R22 (0.00%), 33x14.50R22 (0.00%), 315/45R22 (+0.49%), 275/50R22 (-0.52%), 355/40R22 (+0.55%), 305/45R22 (-0.58%).
How many revolutions per mile does a 33x12.50R22 tire make?
About 611 revolutions per mile (circumference 103.7").
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.