Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/70-14 | 235/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.4 (670.6) | 28.88 (733.5) | 2.48 (62.9) 9.4% |
| Width inches (mm) | 8.86 (225) | 9.25 (235) | 0.39 (10) 4.4% |
| Circum. inches (mm) | 82.94 (2106.75) | 90.72 (2304.36) | 7.78 (197.61) 9.4% |
| Sidewall Height inches (mm) | 6.2 (157.5) | 6.94 (176.25) | 0.74 (18.75) 11.9% |
| Revolutions per mile (km) | 763.9 (474.66) | 698.39 (433.96) | -65.51 (-40.7) -8.6% |
235/75-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.88 mph (35.21 km/h) |
| 25 mph (40.23 km/h) | 27.34 mph (44.01 km/h) |
| 30 mph (48.28 km/h) | 32.81 mph (52.81 km/h) |
| 35 mph (56.33 km/h) | 38.28 mph (61.61 km/h) |
| 40 mph (64.37 km/h) | 43.75 mph (70.41 km/h) |
| 45 mph (72.42 km/h) | 49.22 mph (79.21 km/h) |
| 50 mph (80.47 km/h) | 54.69 mph (88.01 km/h) |
| 55 mph (88.51 km/h) | 60.16 mph (96.82 km/h) |
| 60 mph (96.56 km/h) | 65.63 mph (105.62 km/h) |
| 65 mph (104.61 km/h) | 71.1 mph (114.42 km/h) |
| 70 mph (112.65 km/h) | 76.57 mph (123.22 km/h) |
| 75 mph (120.7 km/h) | 82.03 mph (132.02 km/h) |
| 80 mph (128.75 km/h) | 87.5 mph (140.82 km/h) |
| 85 mph (136.79 km/h) | 92.97 mph (149.63 km/h) |
| 90 mph (144.84 km/h) | 98.44 mph (158.43 km/h) |
| 95 mph (152.89 km/h) | 103.91 mph (167.23 km/h) |
| 100 mph (160.93 km/h) | 109.38 mph (176.03 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1777 | 2065 | 2223 | 2322 | 2428 | 2503 | 2586 | 2685 | 2821 | 2957 | 3108 | 3229 | 3449 | 3691 | 3880 | 4001 | 4069 | 4318 | 4666 | 5423 |
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