Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/30-20 | 295/30-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.02 (661) | 26.97 (685) | 0.94 (24) 3.6% |
| Width inches (mm) | 10.04 (255) | 11.61 (295) | 1.57 (40) 15.7% |
| Circum. inches (mm) | 81.76 (2076.59) | 84.72 (2151.99) | 2.97 (75.4) 3.6% |
| Sidewall Height inches (mm) | 3.01 (76.5) | 3.48 (88.5) | 0.47 (12) 15.7% |
| Revolutions per mile (km) | 774.99 (481.56) | 747.84 (464.69) | -27.15 (-16.87) -3.5% |
295/30-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.73 mph (33.36 km/h) |
| 25 mph (40.23 km/h) | 25.91 mph (41.69 km/h) |
| 30 mph (48.28 km/h) | 31.09 mph (50.03 km/h) |
| 35 mph (56.33 km/h) | 36.27 mph (58.37 km/h) |
| 40 mph (64.37 km/h) | 41.45 mph (66.71 km/h) |
| 45 mph (72.42 km/h) | 46.63 mph (75.05 km/h) |
| 50 mph (80.47 km/h) | 51.82 mph (83.39 km/h) |
| 55 mph (88.51 km/h) | 57 mph (91.73 km/h) |
| 60 mph (96.56 km/h) | 62.18 mph (100.07 km/h) |
| 65 mph (104.61 km/h) | 67.36 mph (108.41 km/h) |
| 70 mph (112.65 km/h) | 72.54 mph (116.74 km/h) |
| 75 mph (120.7 km/h) | 77.72 mph (125.08 km/h) |
| 80 mph (128.75 km/h) | 82.9 mph (133.42 km/h) |
| 85 mph (136.79 km/h) | 88.09 mph (141.76 km/h) |
| 90 mph (144.84 km/h) | 93.27 mph (150.1 km/h) |
| 95 mph (152.89 km/h) | 98.45 mph (158.44 km/h) |
| 100 mph (160.93 km/h) | 103.63 mph (166.78 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1903 | 2211 | 2381 | 2486 | 2600 | 2681 | 2770 | 2875 | 3021 | 3166 | 3328 | 3458 | 3693 | 3952 | 4154 | 4284 | 4357 | 4624 | 4997 | 5807 |
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