Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/30-19 | 255/30-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.55 (623.6) | 25.02 (635.6) | 0.47 (12) 1.9% |
| Width inches (mm) | 9.25 (235) | 10.04 (255) | 0.79 (20) 8.5% |
| Circum. inches (mm) | 77.13 (1959.1) | 78.61 (1996.8) | 1.48 (37.7) 1.9% |
| Sidewall Height inches (mm) | 2.78 (70.5) | 3.01 (76.5) | 0.24 (6) 8.5% |
| Revolutions per mile (km) | 821.47 (510.44) | 805.96 (500.8) | -15.51 (-9.64) -1.9% |
255/30-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.38 mph (32.81 km/h) |
| 25 mph (40.23 km/h) | 25.48 mph (41.01 km/h) |
| 30 mph (48.28 km/h) | 30.58 mph (49.21 km/h) |
| 35 mph (56.33 km/h) | 35.67 mph (57.41 km/h) |
| 40 mph (64.37 km/h) | 40.77 mph (65.61 km/h) |
| 45 mph (72.42 km/h) | 45.87 mph (73.81 km/h) |
| 50 mph (80.47 km/h) | 50.96 mph (82.02 km/h) |
| 55 mph (88.51 km/h) | 56.06 mph (90.22 km/h) |
| 60 mph (96.56 km/h) | 61.15 mph (98.42 km/h) |
| 65 mph (104.61 km/h) | 66.25 mph (106.62 km/h) |
| 70 mph (112.65 km/h) | 71.35 mph (114.82 km/h) |
| 75 mph (120.7 km/h) | 76.44 mph (123.02 km/h) |
| 80 mph (128.75 km/h) | 81.54 mph (131.23 km/h) |
| 85 mph (136.79 km/h) | 86.64 mph (139.43 km/h) |
| 90 mph (144.84 km/h) | 91.73 mph (147.63 km/h) |
| 95 mph (152.89 km/h) | 96.83 mph (155.83 km/h) |
| 100 mph (160.93 km/h) | 101.92 mph (164.03 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2051 | 2383 | 2566 | 2679 | 2802 | 2889 | 2985 | 3098 | 3255 | 3413 | 3587 | 3727 | 3980 | 4259 | 4477 | 4617 | 4696 | 4984 | 5385 | 6258 |
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