MOTION
Speed
Linear speed for travel, wind and physics.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Result0.681818 mph1 ft/s = 0.681818 mph
EVERYDAY · ENGINEERING · SCIENCE
ft/s to mph Converter
Convert foot per second (ft/s) to mile per hour (mph). Enter a value for an instant result, or use the examples and reverse conversion below.
520units ready to convert
HOW IT IS CALCULATED
Convert through metre per second
Enter a foot per second value to calculate mile per hour with full internal precision before display rounding.
Display PrecisionAuto · 6 significant digits
Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.
QUICK REFERENCE
All units in this quantity
| Unit | Symbol | Converted value |
|---|---|---|
| metre per secondfrom ft/s | m/s | 0.3048 |
| centimetre per secondfrom ft/s | cm/s | 30.48 |
| foot per secondfrom ft/s | ft/s | 1 |
| kilometre per hourfrom ft/s | km/h | 1.09728 |
| mile per hourfrom ft/s | mph | 0.681818 |
| knotfrom ft/s | kn | 0.592484 |
| kilometre per secondfrom ft/s | km/s | 0.0003048 |
| speed of light in vacuumfrom ft/s | c | 0.0000000010167 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
ft/s to mph Conversion Reference
Foot Per Second (ft/s) and mile per hour (mph) are units of speed. Use this page to convert in either direction.
Conversion Examples
| Foot Per Second (ft/s) | Mile Per Hour (mph) |
|---|---|
| 1 ft/s | 0.681818 mph |
| 5 ft/s | 3.40909 mph |
| 10 ft/s | 6.81818 mph |
| 100 ft/s | 68.1818 mph |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.
Reverse Conversion
mph to ft/s (mile per hour to foot per second)
Related Speed Conversions
ft/s to m/s (foot per second to metre per second)ft/s to cm/s (foot per second to centimetre per second)ft/s to km/h (foot per second to kilometre per hour)ft/s to kn (foot per second to knot)ft/s to km/s (foot per second to kilometre per second)ft/s to c (foot per second to speed of light in vacuum)