Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/30-20 | 245/30-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.26 (667) | 24.79 (629.6) | -1.47 (-37.4) -5.6% |
| Width inches (mm) | 10.43 (265) | 9.65 (245) | -0.79 (-20) -7.5% |
| Circum. inches (mm) | 82.5 (2095.44) | 77.87 (1977.95) | -4.63 (-117.5) -5.6% |
| Sidewall Height inches (mm) | 3.13 (79.5) | 2.89 (73.5) | -0.24 (-6) -7.5% |
| Revolutions per mile (km) | 768.02 (477.23) | 813.64 (505.57) | 45.62 (28.35) 5.9% |
245/30-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.88 mph (30.38 km/h) |
| 25 mph (40.23 km/h) | 23.6 mph (37.98 km/h) |
| 30 mph (48.28 km/h) | 28.32 mph (45.57 km/h) |
| 35 mph (56.33 km/h) | 33.04 mph (53.17 km/h) |
| 40 mph (64.37 km/h) | 37.76 mph (60.76 km/h) |
| 45 mph (72.42 km/h) | 42.48 mph (68.36 km/h) |
| 50 mph (80.47 km/h) | 47.2 mph (75.96 km/h) |
| 55 mph (88.51 km/h) | 51.92 mph (83.55 km/h) |
| 60 mph (96.56 km/h) | 56.64 mph (91.15 km/h) |
| 65 mph (104.61 km/h) | 61.36 mph (98.74 km/h) |
| 70 mph (112.65 km/h) | 66.07 mph (106.34 km/h) |
| 75 mph (120.7 km/h) | 70.79 mph (113.93 km/h) |
| 80 mph (128.75 km/h) | 75.51 mph (121.53 km/h) |
| 85 mph (136.79 km/h) | 80.23 mph (129.12 km/h) |
| 90 mph (144.84 km/h) | 84.95 mph (136.72 km/h) |
| 95 mph (152.89 km/h) | 89.67 mph (144.32 km/h) |
| 100 mph (160.93 km/h) | 94.39 mph (151.91 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2071 | 2405 | 2590 | 2705 | 2828 | 2916 | 3013 | 3128 | 3286 | 3445 | 3621 | 3762 | 4018 | 4300 | 4520 | 4661 | 4740 | 5031 | 5436 | 6317 |
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