Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/40-21 | 295/40-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.29 (769.4) | 29.29 (744) | -1 (-25.4) -3.3% |
| Width inches (mm) | 11.61 (295) | 11.61 (295) | 0 (0) 0% |
| Circum. inches (mm) | 95.16 (2417.14) | 92.02 (2337.34) | -3.14 (-79.8) -3.3% |
| Sidewall Height inches (mm) | 4.65 (118) | 4.65 (118) | 0 (0) 0% |
| Revolutions per mile (km) | 665.8 (413.71) | 688.54 (427.84) | 22.73 (14.12) 3.4% |
295/40-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.34 mph (31.12 km/h) |
| 25 mph (40.23 km/h) | 24.17 mph (38.91 km/h) |
| 30 mph (48.28 km/h) | 29.01 mph (46.69 km/h) |
| 35 mph (56.33 km/h) | 33.84 mph (54.47 km/h) |
| 40 mph (64.37 km/h) | 38.68 mph (62.25 km/h) |
| 45 mph (72.42 km/h) | 43.51 mph (70.03 km/h) |
| 50 mph (80.47 km/h) | 48.35 mph (77.81 km/h) |
| 55 mph (88.51 km/h) | 53.18 mph (85.59 km/h) |
| 60 mph (96.56 km/h) | 58.02 mph (93.37 km/h) |
| 65 mph (104.61 km/h) | 62.85 mph (101.15 km/h) |
| 70 mph (112.65 km/h) | 67.69 mph (108.94 km/h) |
| 75 mph (120.7 km/h) | 72.52 mph (116.72 km/h) |
| 80 mph (128.75 km/h) | 77.36 mph (124.5 km/h) |
| 85 mph (136.79 km/h) | 82.19 mph (132.28 km/h) |
| 90 mph (144.84 km/h) | 87.03 mph (140.06 km/h) |
| 95 mph (152.89 km/h) | 91.86 mph (147.84 km/h) |
| 100 mph (160.93 km/h) | 96.7 mph (155.62 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1752 | 2036 | 2192 | 2289 | 2393 | 2468 | 2550 | 2647 | 2781 | 2915 | 3064 | 3184 | 3400 | 3639 | 3825 | 3944 | 4011 | 4257 | 4600 | 5346 |
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