Feet per second (ft/s) to Miles per hour (mph) Conversion
Feet per second
Feet per second (ft/s) is a unit of speed in the US customary and imperial systems equal to approximately 0.3048 m/s or 1.09728 km/h. It is commonly used in ballistics to express projectile velocities, in structural engineering for wind speed calculations, and in sports science. The speed of sound at sea level is approximately 1,125 ft/s (343 m/s), a reference used in firearms and aeronautics.
Miles per hour
Miles per hour (mph) is the unit of speed used in road transport in the United States, United Kingdom, and a small number of other countries. One mile per hour equals approximately 1.60934 km/h or 0.44704 m/s. Speed limits on US interstate highways are commonly 65–75 mph, while the UK national speed limit is 70 mph.
| Feet per second (ft/s) | Miles per hour (mph) |
|---|---|
| 0.1 ft/s | 0.0682 mph |
| 1 ft/s | 0.6818 mph |
| 2 ft/s | 1.3636 mph |
| 3 ft/s | 2.0455 mph |
| 5 ft/s | 3.4091 mph |
| 10 ft/s | 6.8182 mph |
| 20 ft/s | 13.6364 mph |
| 30 ft/s | 20.4546 mph |
| 50 ft/s | 34.091 mph |
| 100 ft/s | 68.182 mph |
| 1000 ft/s | 681.8199 mph |
Frequently Asked Questions (FAQ)
How many miles per hour are in 1 feet per second?
1 feet per second (ft/s) is exactly 0.68182 miles per hour (mph).
How do I convert feet per second to miles per hour?
Multiply the value in feet per second by 0.68182 to get the result in miles per hour. Or use the converter above — type any number and see the result instantly.