Formula
ft/s to km/h conversion formula
Use this relationship for a direct conversion:
km/h = ft/s x 1.09728
Worked example
2 ft/s = 2.19456 km/h.
All listed factors are fixed by exact length and time definitions.
Speed conversion
Convert Foot per second to Kilometer per hour
1 foot per second (ft/s) equals 1.09728 kilometer per hour (km/h). Enter any value below to convert from ft/s to km/h.
Enter a value and choose units. Results update instantly.
1 ft/s = 1.09728 km/h
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 Kilometer per hour table
| Foot per second (ft/s) | Kilometer per hour (km/h) |
|---|---|
| 0.01 | 0.0109728 |
| 0.1 | 0.109728 |
| 1 | 1.09728 |
| 2 | 2.19456 |
| 5 | 5.4864 |
| 10 | 10.9728 |
| 25 | 27.432 |
| 50 | 54.864 |
| 100 | 109.728 |
| 1,000 | 1,097.28 |
From unit
About the foot per second
One international foot traveled in one second.
Symbol: ft/s
To unit
About the kilometer per hour
One kilometer traveled in one hour.
Symbol: km/h
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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 km/h FAQ
How do you convert foot per second to kilometer per hour?
Use the formula km/h = ft/s x 1.09728. 1 foot per second (ft/s) equals 1.09728 kilometer per hour (km/h).
Is the ft/s to km/h conversion exact?
Both unit definitions use exact factors. Only the displayed decimal may be rounded.