Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/90-15 | 400/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.57 (624) | 33.9 (861) | 9.33 (237) 38% |
| Width inches (mm) | 5.31 (135) | 15.75 (400) | 10.43 (265) 196.3% |
| Circum. inches (mm) | 77.18 (1960.35) | 106.49 (2704.91) | 29.31 (744.56) 38% |
| Sidewall Height inches (mm) | 4.78 (121.5) | 9.45 (240) | 4.67 (118.5) 97.5% |
| Revolutions per mile (km) | 820.95 (510.11) | 594.97 (369.7) | -225.97 (-140.41) -27.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 27.6 mph (44.41 km/h) |
| 25 mph (40.23 km/h) | 34.5 mph (55.51 km/h) |
| 30 mph (48.28 km/h) | 41.39 mph (66.62 km/h) |
| 35 mph (56.33 km/h) | 48.29 mph (77.72 km/h) |
| 40 mph (64.37 km/h) | 55.19 mph (88.82 km/h) |
| 45 mph (72.42 km/h) | 62.09 mph (99.93 km/h) |
| 50 mph (80.47 km/h) | 68.99 mph (111.03 km/h) |
| 55 mph (88.51 km/h) | 75.89 mph (122.13 km/h) |
| 60 mph (96.56 km/h) | 82.79 mph (133.24 km/h) |
| 65 mph (104.61 km/h) | 89.69 mph (144.34 km/h) |
| 70 mph (112.65 km/h) | 96.59 mph (155.44 km/h) |
| 75 mph (120.7 km/h) | 103.49 mph (166.54 km/h) |
| 80 mph (128.75 km/h) | 110.38 mph (177.65 km/h) |
| 85 mph (136.79 km/h) | 117.28 mph (188.75 km/h) |
| 90 mph (144.84 km/h) | 124.18 mph (199.85 km/h) |
| 95 mph (152.89 km/h) | 131.08 mph (210.96 km/h) |
| 100 mph (160.93 km/h) | 137.98 mph (222.06 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1514 | 1759 | 1894 | 1978 | 2068 | 2133 | 2203 | 2287 | 2403 | 2519 | 2648 | 2751 | 2938 | 3144 | 3305 | 3408 | 3466 | 3679 | 3975 | 4620 |
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