Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/60-15 | 185/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.21 (615) | 23.74 (603) | -0.47 (-12) -2% |
| Width inches (mm) | 7.68 (195) | 7.28 (185) | -0.39 (-10) -5.1% |
| Circum. inches (mm) | 76.07 (1932.08) | 74.58 (1894.38) | -1.48 (-37.7) -2% |
| Sidewall Height inches (mm) | 4.61 (117) | 4.37 (111) | -0.24 (-6) -5.1% |
| Revolutions per mile (km) | 832.96 (517.58) | 849.54 (527.88) | 16.58 (10.3) 2% |
185/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.61 mph (31.56 km/h) |
| 25 mph (40.23 km/h) | 24.51 mph (39.45 km/h) |
| 30 mph (48.28 km/h) | 29.41 mph (47.34 km/h) |
| 35 mph (56.33 km/h) | 34.32 mph (55.23 km/h) |
| 40 mph (64.37 km/h) | 39.22 mph (63.12 km/h) |
| 45 mph (72.42 km/h) | 44.12 mph (71.01 km/h) |
| 50 mph (80.47 km/h) | 49.02 mph (78.9 km/h) |
| 55 mph (88.51 km/h) | 53.93 mph (86.79 km/h) |
| 60 mph (96.56 km/h) | 58.83 mph (94.68 km/h) |
| 65 mph (104.61 km/h) | 63.73 mph (102.57 km/h) |
| 70 mph (112.65 km/h) | 68.63 mph (110.46 km/h) |
| 75 mph (120.7 km/h) | 73.54 mph (118.35 km/h) |
| 80 mph (128.75 km/h) | 78.44 mph (126.24 km/h) |
| 85 mph (136.79 km/h) | 83.34 mph (134.13 km/h) |
| 90 mph (144.84 km/h) | 88.24 mph (142.02 km/h) |
| 95 mph (152.89 km/h) | 93.15 mph (149.9 km/h) |
| 100 mph (160.93 km/h) | 98.05 mph (157.79 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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