Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/75-16 | 305/70-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.29 (743.9) | 32.81 (833.4) | 3.52 (89.5) 12% |
| Width inches (mm) | 8.86 (225) | 12.01 (305) | 3.15 (80) 35.6% |
| Circum. inches (mm) | 92.01 (2337.03) | 103.08 (2618.2) | 11.07 (281.17) 12% |
| Sidewall Height inches (mm) | 6.64 (168.75) | 8.41 (213.5) | 1.76 (44.75) 26.5% |
| Revolutions per mile (km) | 688.63 (427.89) | 614.67 (381.94) | -73.95 (-45.95) -10.7% |
305/70-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.41 mph (36.06 km/h) |
| 25 mph (40.23 km/h) | 28.01 mph (45.07 km/h) |
| 30 mph (48.28 km/h) | 33.61 mph (54.09 km/h) |
| 35 mph (56.33 km/h) | 39.21 mph (63.1 km/h) |
| 40 mph (64.37 km/h) | 44.81 mph (72.12 km/h) |
| 45 mph (72.42 km/h) | 50.41 mph (81.13 km/h) |
| 50 mph (80.47 km/h) | 56.02 mph (90.15 km/h) |
| 55 mph (88.51 km/h) | 61.62 mph (99.16 km/h) |
| 60 mph (96.56 km/h) | 67.22 mph (108.18 km/h) |
| 65 mph (104.61 km/h) | 72.82 mph (117.19 km/h) |
| 70 mph (112.65 km/h) | 78.42 mph (126.21 km/h) |
| 75 mph (120.7 km/h) | 84.02 mph (135.22 km/h) |
| 80 mph (128.75 km/h) | 89.62 mph (144.24 km/h) |
| 85 mph (136.79 km/h) | 95.23 mph (153.25 km/h) |
| 90 mph (144.84 km/h) | 100.83 mph (162.27 km/h) |
| 95 mph (152.89 km/h) | 106.43 mph (171.28 km/h) |
| 100 mph (160.93 km/h) | 112.03 mph (180.3 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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