Convert Miles per Hour to Feet per Second
Instantly convert Miles per Hour (mph) to Feet per Second (ft/s). Free and accurate.
About This Conversion
What is a Miles per Hour to Feet per Second conversion?
One miles per hour (mph) is equal to 1.46666667 feet per second (ft/s). This relationship is fixed by international measurement standards and does not change. To convert any number of miles per hour to feet per second, multiply your value by 1.46666667; to go the other way, divide by 1.46666667.
How to convert Miles per Hour to Feet per Second
The conversion formula is: 1 mph = 1.46666667 ft/s. Enter any value into the converter above and the result updates instantly. The formula is also shown alongside the answer so you can check the working or use it in your own calculations.
Where is this conversion used?
Speed conversions are used in road travel, aviation, maritime navigation, athletics, and meteorology. Miles per hour (mph) is common in the UK and USA, kilometres per hour (km/h) is the global metric standard, and knots are used at sea and in aviation. Pilots, sailors, meteorologists, race engineers, and transport planners convert between speed units regularly. The speed of sound at sea level is roughly 343 m/s, 1,235 km/h, or 767 mph — a useful benchmark for high-speed calculations.
Helpful tip
A quick approximation: 100 km/h is roughly 62 mph. To convert mentally, multiply km/h by 0.6 for a close estimate in mph.
Formula
1 mph = 1.46666667 ft/s
mph to ft/s Conversion Table
| mph | ft/s |
|---|---|
| 0.1 mph | 0.1466666667 ft/s |
| 0.5 mph | 0.7333333333 ft/s |
| 1 mph | 1.46666667 ft/s |
| 2 mph | 2.93333333 ft/s |
| 5 mph | 7.33333333 ft/s |
| 10 mph | 14.66666667 ft/s |
| 20 mph | 29.33333333 ft/s |
| 25 mph | 36.66666667 ft/s |
| 50 mph | 73.33333333 ft/s |
| 100 mph | 146.66666667 ft/s |
| 250 mph | 366.66666667 ft/s |
| 500 mph | 733.33333333 ft/s |
| 1000 mph | 1,466.666667 ft/s |