Convert Miles per hour to feet per second
1 mile per hour = 1.4667 feet per second · ft/s = mph × 1.466666667
When you need this conversion
This conversion goes from miles per hour, the road speed unit in the US and UK, to feet per second, used in ballistics and US engineering. Both measure the same physical quantity, so the conversion is exact — the difference is which unit your source, tool, or region happens to use.
Miles per hour to feet per second conversion table
| Miles per hour (mph) | Feet per second (ft/s) |
|---|---|
| 1 mph | 1.4667 ft/s |
| 2 mph | 2.9333 ft/s |
| 3 mph | 4.4 ft/s |
| 5 mph | 7.3333 ft/s |
| 10 mph | 14.6667 ft/s |
| 15 mph | 22 ft/s |
| 20 mph | 29.3333 ft/s |
| 25 mph | 36.6667 ft/s |
| 50 mph | 73.3333 ft/s |
| 75 mph | 110 ft/s |
| 100 mph | 146.67 ft/s |
| 250 mph | 366.67 ft/s |
| 500 mph | 733.33 ft/s |
| 1,000 mph | 1,466.67 ft/s |
The formula
ft/s = mph × 1.466666667Because both units measure speed, the conversion is a single multiplication by a fixed factor. That factor never changes, so the result is exact.
Convert the other way
Feet per second to miles per hour →Related speed conversions
- Miles per hour to kilometers per hour
- Kilometers per hour to miles per hour
- Kilometers per hour to knots
- Knots to kilometers per hour
- Meters per second to feet per second
- Kilometers per hour to feet per second
- Miles per hour to meters per second
- Miles per hour to knots
- Miles per hour to mach
- Knots to feet per second
- Mach to feet per second
- Meters per second to kilometers per hour
Frequently asked questions
- How many feet per second are in a mile per hour?
- There are 1.4667 feet per second in 1 mile per hour. The formula is ft/s = mph × 1.466666667.
- How do you convert miles per hour to feet per second?
- Use the formula ft/s = mph × 1.466666667. For example, 10 miles per hour equals 14.6667 feet per second.
- Is the miles per hour to feet per second conversion exact?
- Yes. Miles per hour and feet per second are both units of speed, related by an exact defined factor. Displayed results are rounded for readability.
- What is mph short for?
- mph is the standard symbol for mile per hour. ft/s is the symbol for foot per second.