Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/80-15 | 215/65-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.87 (581) | 26 (660.5) | 3.13 (79.5) 13.7% |
| Width inches (mm) | 4.92 (125) | 8.46 (215) | 3.54 (90) 72% |
| Circum. inches (mm) | 71.86 (1825.27) | 81.69 (2075.02) | 9.83 (249.76) 13.7% |
| Sidewall Height inches (mm) | 3.94 (100) | 5.5 (139.75) | 1.56 (39.75) 39.8% |
| Revolutions per mile (km) | 881.7 (547.86) | 775.58 (481.92) | -106.12 (-65.94) -12% |
215/65-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.74 mph (36.59 km/h) |
| 25 mph (40.23 km/h) | 28.42 mph (45.74 km/h) |
| 30 mph (48.28 km/h) | 34.1 mph (54.89 km/h) |
| 35 mph (56.33 km/h) | 39.79 mph (64.03 km/h) |
| 40 mph (64.37 km/h) | 45.47 mph (73.18 km/h) |
| 45 mph (72.42 km/h) | 51.16 mph (82.33 km/h) |
| 50 mph (80.47 km/h) | 56.84 mph (91.48 km/h) |
| 55 mph (88.51 km/h) | 62.53 mph (100.63 km/h) |
| 60 mph (96.56 km/h) | 68.21 mph (109.77 km/h) |
| 65 mph (104.61 km/h) | 73.89 mph (118.92 km/h) |
| 70 mph (112.65 km/h) | 79.58 mph (128.07 km/h) |
| 75 mph (120.7 km/h) | 85.26 mph (137.22 km/h) |
| 80 mph (128.75 km/h) | 90.95 mph (146.36 km/h) |
| 85 mph (136.79 km/h) | 96.63 mph (155.51 km/h) |
| 90 mph (144.84 km/h) | 102.31 mph (164.66 km/h) |
| 95 mph (152.89 km/h) | 108 mph (173.81 km/h) |
| 100 mph (160.93 km/h) | 113.68 mph (182.96 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1974 | 2293 | 2469 | 2578 | 2696 | 2780 | 2872 | 2982 | 3133 | 3284 | 3452 | 3586 | 3830 | 4099 | 4309 | 4443 | 4519 | 4796 | 5182 | 6022 |
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