Miles per Hour to Feet per Second Converter
Enter the speed in miles per hour below to convert it to feet per second.
Convert Miles per Hour to Feet per Second
Enter a value in miles per hour (mph) to convert to feet per second (ft/s).
Miles per Hour to Feet per Second Conversion Table
Table showing various miles per hour measurements converted to feet per second. Click any preset value or arrow to load it into the converter.
| Miles per Hour (mph) | Feet per Second (ft/s) |
|---|---|
| 1 mph | 1.4666667 ft/s |
| 2 mph | 2.9333333 ft/s |
| 5 mph | 7.3333333 ft/s |
| 10 mph | 14.6666667 ft/s |
| 15 mph | 22 ft/s |
| 20 mph | 29.3333333 ft/s |
| 25 mph | 36.6666667 ft/s |
| 30 mph | 44 ft/s |
| 50 mph | 73.3333333 ft/s |
| 60 mph | 88 ft/s |
How to Convert Miles per Hour to Feet per Second
To convert miles per hour to feet per second, multiply the speed by the following conversion ratio: 1.4666667 feet per second/miles per hour.
Since one miles per hour is equal to 1.4666667 feet per second, you can use this simple formula to convert:
The speed in feet per second is equal to the speed in miles per hour multiplied by 1.4666667.
For example, here's how to convert 60 miles per hour to feet per second using the formula above.
How Many Feet per Second Are in a Miles per Hour?
There are 1.4666667 feet per second in a miles per hour, which is why we use this value in the formula above.
Our miles per hour to feet per second calculator automatically converts your speed measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
Miles per Hour and feet per second are both units used to measure speed. Keep reading to learn more about each unit.
What Is a Miles per Hour?
A miles per hour is a unit of speed equal to 0.44704 meters per second (m/s), the base unit for speed. Imperial & US road speed unit (1 mph = 1.609344 km/h). [1]
The miles per hour is classified as a US customary and imperial unit of speed. Miles per Hour can be abbreviated as mph; for example, 1 miles per hour can be written as 1 mph.
When working with miles per hour (mph) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, miles per hour (mph) are widely used across standard speed applications within US customary and imperial workflows, engineering documentation, and technical data sheets.
What Is a Feet per Second?
A feet per second is a unit of speed equal to 0.3048 meters per second (m/s), the base unit for speed. Equal to 0.3048 m/s. [2]
The feet per second is classified as a US customary and imperial unit of speed. Feet per Second can be abbreviated as ft/s; for example, 1 feet per second can be written as 1 ft/s.
When working with feet per second (ft/s) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, feet per second (ft/s) are widely used across standard speed applications within US customary and imperial workflows, engineering documentation, and technical data sheets.
When converting speed between miles per hour (mph) and feet per second (ft/s), keep full floating-point precision (1 mph = 1.4666667 ft/s; 1 ft/s = 0.6818182 mph) during intermediate calculations and round only the final feet per second figure to match your instrument tolerance.
More Miles per Hour & Feet per Second Conversions
Need to calculate in the opposite direction? Use our feet per second to miles per hour converter (ft/s to mph) to switch your starting unit immediately. You can also explore related tools such as converting miles per hour to kilometers per hour, converting miles per hour to meters per second, or converting kilometers per hour to miles per hour.
Convert from Miles per Hour
Frequently Asked Questions
References
- [1]NIST SP 811 StandardNIST SP 811 (NIST SP 811 App. B.9 (Velocity))·Speed Metrology Standard — Miles per Hour (mph) to Feet per Second (ft/s)
- [2]NIST OWM SpecificationNIST OWM (SI Units — Length & Distance)·Unit Specifications: Miles per Hour (mph) & Feet per Second (ft/s)
- [3]NIST CUU ReferenceNIST CUU (SI Coherent Derived Units (m/s))·Conversion Factors & Mathematical Basis (mph to ft/s)