Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/80-12 | 305/70-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.91 (632.8) | 32.81 (833.4) | 7.9 (200.6) 31.7% |
| Width inches (mm) | 8.07 (205) | 12.01 (305) | 3.94 (100) 48.8% |
| Circum. inches (mm) | 78.27 (1988) | 103.08 (2618.2) | 24.81 (630.2) 31.7% |
| Sidewall Height inches (mm) | 6.46 (164) | 8.41 (213.5) | 1.95 (49.5) 30.2% |
| Revolutions per mile (km) | 809.53 (503.02) | 614.67 (381.94) | -194.85 (-121.08) -24.1% |
305/70-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 26.34 mph (42.39 km/h) |
| 25 mph (40.23 km/h) | 32.93 mph (52.99 km/h) |
| 30 mph (48.28 km/h) | 39.51 mph (63.59 km/h) |
| 35 mph (56.33 km/h) | 46.1 mph (74.18 km/h) |
| 40 mph (64.37 km/h) | 52.68 mph (84.78 km/h) |
| 45 mph (72.42 km/h) | 59.27 mph (95.38 km/h) |
| 50 mph (80.47 km/h) | 65.85 mph (105.98 km/h) |
| 55 mph (88.51 km/h) | 72.44 mph (116.57 km/h) |
| 60 mph (96.56 km/h) | 79.02 mph (127.17 km/h) |
| 65 mph (104.61 km/h) | 85.61 mph (137.77 km/h) |
| 70 mph (112.65 km/h) | 92.19 mph (148.37 km/h) |
| 75 mph (120.7 km/h) | 98.78 mph (158.96 km/h) |
| 80 mph (128.75 km/h) | 105.36 mph (169.56 km/h) |
| 85 mph (136.79 km/h) | 111.95 mph (180.16 km/h) |
| 90 mph (144.84 km/h) | 118.53 mph (190.76 km/h) |
| 95 mph (152.89 km/h) | 125.12 mph (201.35 km/h) |
| 100 mph (160.93 km/h) | 131.7 mph (211.95 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1564 | 1817 | 1957 | 2043 | 2137 | 2203 | 2276 | 2363 | 2483 | 2603 | 2736 | 2842 | 3035 | 3248 | 3415 | 3521 | 3581 | 3801 | 4107 | 4773 |
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