Convert feet per second to kilometers per hour instantly. 100 ft/s = 109.728 km/h.
1 ft/s = 1.09728 km/h
To convert feet per second to kilometers per hour, use the formula km/h = ft/s × 1.09728. In other words, multiply the number of feet per second by 1.09728 to get the equivalent in kilometers per hour. For example, 100 ft/s equals 109.728 km/h.
| Feet per Second (ft/s) | KM/H (km/h) |
|---|---|
| 1 ft/s | 1.09728 km/h |
| 5 ft/s | 5.4864 km/h |
| 10 ft/s | 10.9728 km/h |
| 15 ft/s | 16.4592 km/h |
| 20 ft/s | 21.9456 km/h |
| 25 ft/s | 27.432 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 |
| 110 ft/s | 120.7008 km/h |
| 120 ft/s | 131.6736 km/h |
| 130 ft/s | 142.6464 km/h |
| 150 ft/s | 164.592 km/h |
| 200 ft/s | 219.456 km/h |
| 300 ft/s | 329.184 km/h |
The foot per second (ft/s) and the kilometer per hour (km/h) are both units of speed. This page gives you an instant, exact conversion between them, a reference table for the most common values, and the underlying formula so you can check the maths yourself. All calculations run in your browser — nothing you type is sent anywhere.
Need to go the other way? Use the KM/H to Feet per Second converter. For all units at once, try the full Speed Converter.
Use the formula km/h = ft/s × 1.09728. For example, 100 ft/s equals 109.728 km/h. Just enter your value in the converter above to get an instant result.
1 ft/s = 1.09728 km/h. You can multiply any number of feet per second by this figure to convert it, or use the calculator above for exact results.
Use the reverse conversion: 1 km/h = 0.9113444 ft/s. Our KM/H to Feet per Second converter does this for you.