Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/70-18 | 275/70-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.61 (828.2) | 33.16 (842.2) | 0.55 (14) 1.7% |
| Width inches (mm) | 10.43 (265) | 10.83 (275) | 0.39 (10) 3.8% |
| Circum. inches (mm) | 102.44 (2601.87) | 104.17 (2645.85) | 1.73 (43.98) 1.7% |
| Sidewall Height inches (mm) | 7.3 (185.5) | 7.58 (192.5) | 0.28 (7) 3.8% |
| Revolutions per mile (km) | 618.53 (384.34) | 608.25 (377.95) | -10.28 (-6.39) -1.7% |
275/70-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.34 mph (32.73 km/h) |
| 25 mph (40.23 km/h) | 25.42 mph (40.91 km/h) |
| 30 mph (48.28 km/h) | 30.51 mph (49.1 km/h) |
| 35 mph (56.33 km/h) | 35.59 mph (57.28 km/h) |
| 40 mph (64.37 km/h) | 40.68 mph (65.46 km/h) |
| 45 mph (72.42 km/h) | 45.76 mph (73.64 km/h) |
| 50 mph (80.47 km/h) | 50.85 mph (81.83 km/h) |
| 55 mph (88.51 km/h) | 55.93 mph (90.01 km/h) |
| 60 mph (96.56 km/h) | 61.01 mph (98.19 km/h) |
| 65 mph (104.61 km/h) | 66.1 mph (106.38 km/h) |
| 70 mph (112.65 km/h) | 71.18 mph (114.56 km/h) |
| 75 mph (120.7 km/h) | 76.27 mph (122.74 km/h) |
| 80 mph (128.75 km/h) | 81.35 mph (130.92 km/h) |
| 85 mph (136.79 km/h) | 86.44 mph (139.11 km/h) |
| 90 mph (144.84 km/h) | 91.52 mph (147.29 km/h) |
| 95 mph (152.89 km/h) | 96.61 mph (155.47 km/h) |
| 100 mph (160.93 km/h) | 101.69 mph (163.66 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1548 | 1798 | 1937 | 2022 | 2114 | 2180 | 2253 | 2338 | 2457 | 2575 | 2707 | 2813 | 3004 | 3214 | 3379 | 3484 | 3544 | 3761 | 4064 | 4723 |
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