Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/75-16 | 265/65-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.29 (743.9) | 31.56 (801.7) | 2.28 (57.8) 7.8% |
| Width inches (mm) | 8.86 (225) | 10.43 (265) | 1.57 (40) 17.8% |
| Circum. inches (mm) | 92.01 (2337.03) | 99.16 (2518.61) | 7.15 (181.58) 7.8% |
| Sidewall Height inches (mm) | 6.64 (168.75) | 6.78 (172.25) | 0.14 (3.5) 2.1% |
| Revolutions per mile (km) | 688.63 (427.89) | 638.98 (397.04) | -49.65 (-30.85) -7.2% |
265/65-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.55 mph (34.69 km/h) |
| 25 mph (40.23 km/h) | 26.94 mph (43.36 km/h) |
| 30 mph (48.28 km/h) | 32.33 mph (52.03 km/h) |
| 35 mph (56.33 km/h) | 37.72 mph (60.7 km/h) |
| 40 mph (64.37 km/h) | 43.11 mph (69.38 km/h) |
| 45 mph (72.42 km/h) | 48.5 mph (78.05 km/h) |
| 50 mph (80.47 km/h) | 53.88 mph (86.72 km/h) |
| 55 mph (88.51 km/h) | 59.27 mph (95.39 km/h) |
| 60 mph (96.56 km/h) | 64.66 mph (104.06 km/h) |
| 65 mph (104.61 km/h) | 70.05 mph (112.74 km/h) |
| 70 mph (112.65 km/h) | 75.44 mph (121.41 km/h) |
| 75 mph (120.7 km/h) | 80.83 mph (130.08 km/h) |
| 80 mph (128.75 km/h) | 86.22 mph (138.75 km/h) |
| 85 mph (136.79 km/h) | 91.6 mph (147.42 km/h) |
| 90 mph (144.84 km/h) | 96.99 mph (156.1 km/h) |
| 95 mph (152.89 km/h) | 102.38 mph (164.77 km/h) |
| 100 mph (160.93 km/h) | 107.77 mph (173.44 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1626 | 1889 | 2034 | 2124 | 2221 | 2290 | 2366 | 2456 | 2581 | 2706 | 2844 | 2955 | 3155 | 3377 | 3550 | 3660 | 3723 | 3951 | 4269 | 4961 |
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