Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/30-18 | 235/35-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.55 (598.2) | 24.48 (621.7) | 0.93 (23.5) 3.9% |
| Width inches (mm) | 9.25 (235) | 9.25 (235) | 0 (0) 0% |
| Circum. inches (mm) | 73.99 (1879.3) | 76.89 (1953.13) | 2.91 (73.83) 3.9% |
| Sidewall Height inches (mm) | 2.78 (70.5) | 3.24 (82.25) | 0.46 (11.75) 16.7% |
| Revolutions per mile (km) | 856.35 (532.11) | 823.98 (512) | -32.37 (-20.11) -3.8% |
235/35-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.79 mph (33.45 km/h) |
| 25 mph (40.23 km/h) | 25.98 mph (41.81 km/h) |
| 30 mph (48.28 km/h) | 31.18 mph (50.18 km/h) |
| 35 mph (56.33 km/h) | 36.37 mph (58.54 km/h) |
| 40 mph (64.37 km/h) | 41.57 mph (66.9 km/h) |
| 45 mph (72.42 km/h) | 46.77 mph (75.27 km/h) |
| 50 mph (80.47 km/h) | 51.96 mph (83.63 km/h) |
| 55 mph (88.51 km/h) | 57.16 mph (91.99 km/h) |
| 60 mph (96.56 km/h) | 62.36 mph (100.35 km/h) |
| 65 mph (104.61 km/h) | 67.55 mph (108.72 km/h) |
| 70 mph (112.65 km/h) | 72.75 mph (117.08 km/h) |
| 75 mph (120.7 km/h) | 77.95 mph (125.44 km/h) |
| 80 mph (128.75 km/h) | 83.14 mph (133.81 km/h) |
| 85 mph (136.79 km/h) | 88.34 mph (142.17 km/h) |
| 90 mph (144.84 km/h) | 93.54 mph (150.53 km/h) |
| 95 mph (152.89 km/h) | 98.73 mph (158.89 km/h) |
| 100 mph (160.93 km/h) | 103.93 mph (167.26 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2097 | 2436 | 2623 | 2739 | 2864 | 2953 | 3052 | 3168 | 3328 | 3489 | 3667 | 3810 | 4069 | 4354 | 4577 | 4720 | 4801 | 5095 | 5505 | 6398 |
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