Formula
ft/s to mph conversion formula
Use this relationship for a direct conversion:
mph = ft/s x 0.681818181818
Worked example
2 ft/s = 1.3636363636 mph.
All listed factors are fixed by exact length and time definitions.
Speed conversion
Convert Foot per second to Mile per hour
1 foot per second (ft/s) equals 0.681818181818 mile per hour (mph). Enter any value below to convert from ft/s to mph.
Enter a value and choose units. Results update instantly.
1 ft/s = 0.6818181818 mph
All Speed units
From 1 ft/s| Unit | Value |
|---|---|
| Meter per second m/s | 0.3048 |
| Kilometer per hour km/h | 1.09728 |
| Mile per hour mph | 0.6818181818 |
| Knot kn | 0.5924838013 |
| Foot per second ft/s | 1 |
| Centimeter per second cm/s | 30.48 |
| Speed of light c | 0.000000001 |
Recent conversions
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Quick reference
Foot per second to Mile per hour table
| Foot per second (ft/s) | Mile per hour (mph) |
|---|---|
| 0.01 | 0.0068181818 |
| 0.1 | 0.0681818182 |
| 1 | 0.6818181818 |
| 2 | 1.3636363636 |
| 5 | 3.4090909091 |
| 10 | 6.8181818182 |
| 25 | 17.0454545455 |
| 50 | 34.0909090909 |
| 100 | 68.1818181818 |
| 1,000 | 681.8181818182 |
From unit
About the foot per second
One international foot traveled in one second.
Symbol: ft/s
To unit
About the mile per hour
One international mile traveled in one hour.
Symbol: mph
Keep converting
Related conversions
Source
Conversion standard
Definitions are checked against BIPM SI Brochure and international unit definitions. Calculations use full internal precision before display rounding.
View the complete speed converterQuestions
ft/s to mph FAQ
How do you convert foot per second to mile per hour?
Use the formula mph = ft/s x 0.681818181818. 1 foot per second (ft/s) equals 0.681818181818 mile per hour (mph).
Is the ft/s to mph conversion exact?
Both unit definitions use exact factors. Only the displayed decimal may be rounded.