Speed Converter
km/h, mph, knots and m/s.
Conversion
Feet per Second to Kilometers per Hour Converter
1 foot per second = 1.09728 km/h. Enter any value to convert feet per second (ft/s) to kilometers per hour (km/h), or use the table below for common values.
Formula
km/h = ft/s × 1.09728
Example: 10 ft/s = 10.9728 km/h. To convert the other way, use ft/s = km/h × 0.9113444153.
Quick mental estimate: multiply by about 1.1.
Feet per Second to Kilometers per Hour conversion table
| Feet per Second (ft/s) | Kilometers per Hour (km/h) |
|---|---|
| 1 ft/s | 1.09728 km/h |
| 5 ft/s | 5.4864 km/h |
| 10 ft/s | 10.9728 km/h |
| 20 ft/s | 21.9456 km/h |
| 30 ft/s | 32.9184 km/h |
| 40 ft/s | 43.8912 km/h |
| 50 ft/s | 54.864 km/h |
| 60 ft/s | 65.8368 km/h |
| 70 ft/s | 76.8096 km/h |
| 80 ft/s | 87.7824 km/h |
| 90 ft/s | 98.7552 km/h |
| 100 ft/s | 109.728 km/h |
| 120 ft/s | 131.6736 km/h |
| 150 ft/s | 164.592 km/h |
| 200 ft/s | 219.456 km/h |
| 300 ft/s | 329.184 km/h |
About feet per second and kilometers per hour
The foot per second is used in US engineering, ballistics and fluid flow.
Kilometers per hour is the speed unit on road signs and speedometers in most of the world.
Other Speed conversions
Kilometers per Hour → Feet per SecondReverse conversionMiles per Hour → Kilometers per Hourmph → km/hMeters per Second → Kilometers per Hourm/s → km/hFeet per Second → Miles per Hourft/s → mphFeet per Second → Meters per Secondft/s → m/sFeet per Second → Knotsft/s → knKnots → Kilometers per Hourkn → km/h
Frequently asked questions
How do I convert feet per second to kilometers per hour?
Use the formula km/h = ft/s × 1.09728. For example, 10 ft/s = 10.9728 km/h.
What is 1 foot per second in kilometers per hour?
1 ft/s = 1.09728 km/h.
How do I convert kilometers per hour back to feet per second?
Use ft/s = km/h × 0.9113444153. 1 km/h = 0.9113444153 ft/s.