36x12.50R17 tire size
36x12.50R17 is a flotation (inch) size: 36.0" tall, 12.5" wide, on a 17" rim — about a 320/75R17. The sidewall is 9.5" and the tire turns 560 times per mile.
36x12.50R17 specs
| Overall diameter (height) | 36.00" · 914 mm |
|---|---|
| Section width | 12.50" · 318 mm |
| Sidewall height | 9.50" · 241 mm (76% of width) |
| Rim diameter | 17" |
| Circumference | 113.10" · 2.873 m |
| Revolutions per mile | 560 (348 per km) |
| Closest metric size | 320/75R17 |
Equivalent sizes on a 17" 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 | |
|---|---|---|---|---|---|
| 35x12.50R17 common | 35.00" | -2.78% | 0 mm | 58.3 mph | calculate → |
| 315/70R17 common | 34.36" | -4.55% | -3 mm | 57.3 mph | calculate → |
| 37x12.50R17 common | 37.00" | +2.78% | 0 mm | 61.7 mph | calculate → |
| 37x13.50R17 | 37.00" | +2.78% | +25 mm | 61.7 mph | calculate → |
| 35x11.50R17 | 35.00" | -2.78% | -26 mm | 58.3 mph | calculate → |
| 35x14.50R17 | 35.00" | -2.78% | +50 mm | 58.3 mph | calculate → |
| 36x13.50R17 | 36.00" | 0.00% | +25 mm | 60.0 mph | calculate → |
| 35x13.50R17 | 35.00" | -2.78% | +25 mm | 58.3 mph | calculate → |
| 35x10.50R17 | 35.00" | -2.78% | -51 mm | 58.3 mph | calculate → |
| 37x11.50R17 | 37.00" | +2.78% | -26 mm | 61.7 mph | calculate → |
| 37x13.00R17 | 37.00" | +2.78% | +12 mm | 61.7 mph | calculate → |
| 37x14.00R17 | 37.00" | +2.78% | +38 mm | 61.7 mph | calculate → |
| 275/80R17 | 34.32" | -4.66% | -43 mm | 57.2 mph | calculate → |
| 355/70R17 | 36.57" | +1.57% | +37 mm | 60.9 mph | calculate → |
| 325/70R17 | 34.91" | -3.02% | +7 mm | 58.2 mph | calculate → |
Plus / minus sizing: 16" and 18" rims
Same overall height on a different rim. Check wheel width and clearance before switching.
| Size | Diameter | Difference | Width | Speedo at 60 | |
|---|---|---|---|---|---|
| 36x12.50R16 | 36.00" | 0.00% | 0 mm | 60.0 mph | calculate → |
| 36x13.50R16 | 36.00" | 0.00% | +25 mm | 60.0 mph | calculate → |
| 36x13.50R18 | 36.00" | 0.00% | +25 mm | 60.0 mph | calculate → |
| 36x13.00R16 | 36.00" | 0.00% | +12 mm | 60.0 mph | calculate → |
| 36x14.50R16 | 36.00" | 0.00% | +50 mm | 60.0 mph | calculate → |
| 355/65R18 | 36.17" | +0.47% | +37 mm | 60.3 mph | calculate → |
Try another size against 36x12.50R17
Questions
What size is 36x12.50R17 in inches?
36x12.50R17 is about 36.0" tall and 12.5" wide on a 17-inch rim — roughly a 320/75R17 in inch sizing.
What does 36x12.50R17 mean?
36" overall diameter, 12.50" section width, radial, 17" rim.
What tire sizes are equivalent to 36x12.50R17?
On the same 17" rim, within 3% of the diameter: 36x13.50R17 (0.00%), 355/70R17 (+1.57%), 35x10.50R17 (-2.78%), 35x11.50R17 (-2.78%), 35x12.50R17 (-2.78%), 35x13.50R17 (-2.78%).
How many revolutions per mile does a 36x12.50R17 tire make?
About 560 revolutions per mile (circumference 113.1").
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.