Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 325/30-19 | 345/30-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.68 (677.6) | 27.15 (689.6) | 0.47 (12) 1.8% |
| Width inches (mm) | 12.8 (325) | 13.58 (345) | 0.79 (20) 6.2% |
| Circum. inches (mm) | 83.81 (2128.74) | 85.29 (2166.44) | 1.48 (37.7) 1.8% |
| Sidewall Height inches (mm) | 3.84 (97.5) | 4.07 (103.5) | 0.24 (6) 6.2% |
| Revolutions per mile (km) | 756.01 (469.76) | 742.85 (461.59) | -13.16 (-8.17) -1.7% |
345/30-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.35 mph (32.76 km/h) |
| 25 mph (40.23 km/h) | 25.44 mph (40.95 km/h) |
| 30 mph (48.28 km/h) | 30.53 mph (49.14 km/h) |
| 35 mph (56.33 km/h) | 35.62 mph (57.32 km/h) |
| 40 mph (64.37 km/h) | 40.71 mph (65.51 km/h) |
| 45 mph (72.42 km/h) | 45.8 mph (73.7 km/h) |
| 50 mph (80.47 km/h) | 50.89 mph (81.89 km/h) |
| 55 mph (88.51 km/h) | 55.97 mph (90.08 km/h) |
| 60 mph (96.56 km/h) | 61.06 mph (98.27 km/h) |
| 65 mph (104.61 km/h) | 66.15 mph (106.46 km/h) |
| 70 mph (112.65 km/h) | 71.24 mph (114.65 km/h) |
| 75 mph (120.7 km/h) | 76.33 mph (122.84 km/h) |
| 80 mph (128.75 km/h) | 81.42 mph (131.03 km/h) |
| 85 mph (136.79 km/h) | 86.51 mph (139.22 km/h) |
| 90 mph (144.84 km/h) | 91.59 mph (147.41 km/h) |
| 95 mph (152.89 km/h) | 96.68 mph (155.6 km/h) |
| 100 mph (160.93 km/h) | 101.77 mph (163.78 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1890 | 2196 | 2365 | 2470 | 2582 | 2663 | 2751 | 2856 | 3001 | 3145 | 3306 | 3435 | 3668 | 3926 | 4127 | 4255 | 4328 | 4593 | 4963 | 5768 |
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