Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 190/60-15 | 185/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.98 (609) | 23.74 (603) | -0.24 (-6) -1% |
| Width inches (mm) | 7.48 (190) | 7.28 (185) | -0.2 (-5) -2.6% |
| Circum. inches (mm) | 75.32 (1913.23) | 74.58 (1894.38) | -0.74 (-18.85) -1% |
| Sidewall Height inches (mm) | 4.49 (114) | 4.37 (111) | -0.12 (-3) -2.6% |
| Revolutions per mile (km) | 841.17 (522.68) | 849.54 (527.88) | 8.37 (5.2) 1% |
185/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.8 mph (31.87 km/h) |
| 25 mph (40.23 km/h) | 24.75 mph (39.84 km/h) |
| 30 mph (48.28 km/h) | 29.7 mph (47.8 km/h) |
| 35 mph (56.33 km/h) | 34.66 mph (55.77 km/h) |
| 40 mph (64.37 km/h) | 39.61 mph (63.74 km/h) |
| 45 mph (72.42 km/h) | 44.56 mph (71.71 km/h) |
| 50 mph (80.47 km/h) | 49.51 mph (79.67 km/h) |
| 55 mph (88.51 km/h) | 54.46 mph (87.64 km/h) |
| 60 mph (96.56 km/h) | 59.41 mph (95.61 km/h) |
| 65 mph (104.61 km/h) | 64.36 mph (103.58 km/h) |
| 70 mph (112.65 km/h) | 69.31 mph (111.54 km/h) |
| 75 mph (120.7 km/h) | 74.26 mph (119.51 km/h) |
| 80 mph (128.75 km/h) | 79.21 mph (127.48 km/h) |
| 85 mph (136.79 km/h) | 84.16 mph (135.45 km/h) |
| 90 mph (144.84 km/h) | 89.11 mph (143.41 km/h) |
| 95 mph (152.89 km/h) | 94.06 mph (151.38 km/h) |
| 100 mph (160.93 km/h) | 99.01 mph (159.35 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2162 | 2511 | 2705 | 2824 | 2953 | 3045 | 3146 | 3266 | 3431 | 3597 | 3781 | 3928 | 4195 | 4489 | 4719 | 4867 | 4949 | 5253 | 5676 | 6596 |
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