Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 32/10.5-15 | 235/85-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.03 (813.54) | 31.73 (805.9) | -0.3 (-7.64) -0.9% |
| Width inches (mm) | 10.51 (267) | 9.25 (235) | -1.26 (-32) -12% |
| Circum. inches (mm) | 100.62 (2555.81) | 99.68 (2531.81) | -0.94 (-24) -0.9% |
| Sidewall Height inches (mm) | 8.51 (216.27) | 7.86 (199.75) | -0.65 (-16.52) -7.6% |
| Revolutions per mile (km) | 629.68 (391.26) | 635.65 (394.97) | 5.97 (3.71) 0.9% |
235/85-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.81 mph (31.88 km/h) |
| 25 mph (40.23 km/h) | 24.77 mph (39.86 km/h) |
| 30 mph (48.28 km/h) | 29.72 mph (47.83 km/h) |
| 35 mph (56.33 km/h) | 34.67 mph (55.8 km/h) |
| 40 mph (64.37 km/h) | 39.62 mph (63.77 km/h) |
| 45 mph (72.42 km/h) | 44.58 mph (71.74 km/h) |
| 50 mph (80.47 km/h) | 49.53 mph (79.71 km/h) |
| 55 mph (88.51 km/h) | 54.48 mph (87.68 km/h) |
| 60 mph (96.56 km/h) | 59.44 mph (95.65 km/h) |
| 65 mph (104.61 km/h) | 64.39 mph (103.63 km/h) |
| 70 mph (112.65 km/h) | 69.34 mph (111.6 km/h) |
| 75 mph (120.7 km/h) | 74.3 mph (119.57 km/h) |
| 80 mph (128.75 km/h) | 79.25 mph (127.54 km/h) |
| 85 mph (136.79 km/h) | 84.2 mph (135.51 km/h) |
| 90 mph (144.84 km/h) | 89.15 mph (143.48 km/h) |
| 95 mph (152.89 km/h) | 94.11 mph (151.45 km/h) |
| 100 mph (160.93 km/h) | 99.06 mph (159.42 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1618 | 1879 | 2024 | 2113 | 2210 | 2278 | 2354 | 2444 | 2568 | 2691 | 2829 | 2939 | 3139 | 3359 | 3531 | 3641 | 3703 | 3930 | 4247 | 4935 |
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