37x12.50R17 vs 37x13.50R17
37x13.50R17 is 0.00 in (0.0 mm) taller than 37x12.50R17, a 0.00% diameter difference. With the speedometer set for 37x12.50R17, an indicated 60 mph is 60.0 mph on 37x13.50R17.
Is this a safe swap?
Diameter difference 0.00%: under 1%
By overall diameter alone, 37x13.50R17 is a near match for 37x12.50R17; the speedometer changes by less than 1%. This check uses diameter only. It does not assess load index, speed rating, wheel width or clearance.
| Measurement | 37x12.50R17 | 37x13.50R17 | Difference | % diff |
|---|---|---|---|---|
| Overall diameter | 37.00 in (939.8 mm) | 37.00 in (939.8 mm) | 0.00 in (0.0 mm) | 0.00% |
| Sidewall height | 10.00 in (254.0 mm) | 10.00 in (254.0 mm) | 0.00 in (0.0 mm) | 0.00% |
| Section width | 12.50 in (317.5 mm) | 13.50 in (342.9 mm) | +1.00 in (+25.4 mm) | +8.00% |
| Circumference | 116.24 in (2,952.5 mm) | 116.24 in (2,952.5 mm) | 0.00 in (0.0 mm) | 0.00% |
| Revolutions per mile | 545 | 545 | 0 | 0.00% |
| Indicated | Actual on 37x12.50R17 | Actual on 37x13.50R17 | Difference |
|---|---|---|---|
| 30 mph | 30.0 mph | 30.0 mph | 0.0 mph |
| 60 mph | 60.0 mph | 60.0 mph | 0.0 mph |
| 75 mph | 75.0 mph | 75.0 mph | 0.0 mph |
Ride-height change: 37x13.50R17 does not change the vehicle at the axle (half the 0.0 mm diameter difference).
37x13.50R17 is the same height as 37x12.50R17 and 25 mm wider, a 0.00% difference in overall diameter.
With the speedometer calibrated for 37x12.50R17, an indicated 60 mph is actually 60.0 mph on 37x13.50R17, and revolutions per mile change from 545 to 545.
Both sizes mount on 17-inch wheels.
Size pages
Other comparisons with 37x12.50R17
- 315/75R17 vs 37x12.50R17
- 37x12.50R17 vs 315/70R18
- 37x12.50R17 vs 37x12.50R18
- 37x12.50R17 vs 37x13.50R18
Other comparisons with 37x13.50R17
- 315/75R17 vs 37x13.50R17
- 37x13.50R17 vs 315/70R18
- 37x13.50R17 vs 37x12.50R18
- 37x13.50R17 vs 37x13.50R18
Source: Calculated from standard tire geometry formulas. Verified . How these numbers are calculated.