Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 200/70-15 | 300/70-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.02 (661) | 36.54 (928) | 10.51 (267) 40.4% |
| Width inches (mm) | 7.87 (200) | 11.81 (300) | 3.94 (100) 50% |
| Circum. inches (mm) | 81.76 (2076.59) | 114.78 (2915.4) | 33.02 (838.81) 40.4% |
| Sidewall Height inches (mm) | 5.51 (140) | 8.27 (210) | 2.76 (70) 50% |
| Revolutions per mile (km) | 774.99 (481.56) | 552.02 (343.01) | -222.98 (-138.55) -28.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 28.08 mph (45.19 km/h) |
| 25 mph (40.23 km/h) | 35.1 mph (56.49 km/h) |
| 30 mph (48.28 km/h) | 42.12 mph (67.78 km/h) |
| 35 mph (56.33 km/h) | 49.14 mph (79.08 km/h) |
| 40 mph (64.37 km/h) | 56.16 mph (90.38 km/h) |
| 45 mph (72.42 km/h) | 63.18 mph (101.67 km/h) |
| 50 mph (80.47 km/h) | 70.2 mph (112.97 km/h) |
| 55 mph (88.51 km/h) | 77.22 mph (124.27 km/h) |
| 60 mph (96.56 km/h) | 84.24 mph (135.56 km/h) |
| 65 mph (104.61 km/h) | 91.26 mph (146.86 km/h) |
| 70 mph (112.65 km/h) | 98.28 mph (158.16 km/h) |
| 75 mph (120.7 km/h) | 105.3 mph (169.46 km/h) |
| 80 mph (128.75 km/h) | 112.31 mph (180.75 km/h) |
| 85 mph (136.79 km/h) | 119.33 mph (192.05 km/h) |
| 90 mph (144.84 km/h) | 126.35 mph (203.35 km/h) |
| 95 mph (152.89 km/h) | 133.37 mph (214.64 km/h) |
| 100 mph (160.93 km/h) | 140.39 mph (225.94 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1405 | 1632 | 1757 | 1835 | 1919 | 1979 | 2044 | 2122 | 2230 | 2337 | 2457 | 2553 | 2726 | 2917 | 3067 | 3162 | 3216 | 3413 | 3688 | 4286 |
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