Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/70-14 | 27/8.5-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.85 (656.6) | 26.93 (683.92) | 1.08 (27.32) 4.2% |
| Width inches (mm) | 8.46 (215) | 8.5 (216) | 0.04 (1) 0.5% |
| Circum. inches (mm) | 81.21 (2062.77) | 84.59 (2148.6) | 3.38 (85.83) 4.2% |
| Sidewall Height inches (mm) | 5.93 (150.5) | 6.46 (164.16) | 0.54 (13.66) 9.1% |
| Revolutions per mile (km) | 780.19 (484.78) | 749.02 (465.42) | -31.17 (-19.37) -4% |
27/8.5-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.83 mph (33.53 km/h) |
| 25 mph (40.23 km/h) | 26.04 mph (41.91 km/h) |
| 30 mph (48.28 km/h) | 31.25 mph (50.29 km/h) |
| 35 mph (56.33 km/h) | 36.46 mph (58.67 km/h) |
| 40 mph (64.37 km/h) | 41.66 mph (67.05 km/h) |
| 45 mph (72.42 km/h) | 46.87 mph (75.43 km/h) |
| 50 mph (80.47 km/h) | 52.08 mph (83.82 km/h) |
| 55 mph (88.51 km/h) | 57.29 mph (92.2 km/h) |
| 60 mph (96.56 km/h) | 62.5 mph (100.58 km/h) |
| 65 mph (104.61 km/h) | 67.7 mph (108.96 km/h) |
| 70 mph (112.65 km/h) | 72.91 mph (117.34 km/h) |
| 75 mph (120.7 km/h) | 78.12 mph (125.72 km/h) |
| 80 mph (128.75 km/h) | 83.33 mph (134.1 km/h) |
| 85 mph (136.79 km/h) | 88.54 mph (142.49 km/h) |
| 90 mph (144.84 km/h) | 93.74 mph (150.87 km/h) |
| 95 mph (152.89 km/h) | 98.95 mph (159.25 km/h) |
| 100 mph (160.93 km/h) | 104.16 mph (167.63 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1906 | 2214 | 2385 | 2490 | 2604 | 2685 | 2774 | 2879 | 3025 | 3171 | 3334 | 3463 | 3699 | 3958 | 4161 | 4291 | 4364 | 4631 | 5005 | 5816 |
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