Conversion Formula
$$mph = ft/s \times 0.681818$$
Multiply the value in Foot per Second by 0.681818 to get Mile per Hour.
ft/s to mph Conversion Table
| Foot per Second (ft/s) | Mile per Hour (mph) |
|---|---|
| 0.1 | 0.0681818 |
| 0.5 | 0.340909 |
| 1 | 0.681818 |
| 2 | 1.36364 |
| 5 | 3.40909 |
| 10 | 6.81818 |
| 25 | 17.0455 |
| 50 | 34.0909 |
| 100 | 68.1818 |
| 250 | 170.455 |
| 500 | 340.909 |
| 1,000 | 681.818 |
ft/s to mph in Engineering
Velocity conversions are essential for fluid mechanics, transportation engineering, wind load calculations, and aerodynamics. Flow velocity in pipes (ft/s, m/s) connects directly to pressure drop and head loss calculations.
Foot per Second: Primary US unit for pipe flow velocity, open channel flow, and fluid mechanics calculations.
Mile per Hour: Standard US unit for vehicle speed, wind speed (in weather), and transportation engineering.