1 foot per second (ft/s) = 1.09728 kilometers per hour (km/h). To convert, multiply by 1.09728: km/h = ft/s × 1.09728. For example, 5 ft/s = 5.4864 km/h.
km/h = ft/s × 1.09728
Feet per second to kilometers per hour table
| Feet per second (ft/s) | Kilometers per hour (km/h) |
|---|---|
| 1 | 1.09728 |
| 2 | 2.19456 |
| 3 | 3.29184 |
| 4 | 4.38912 |
| 5 | 5.4864 |
| 10 | 10.9728 |
| 20 | 21.9456 |
| 25 | 27.432 |
| 50 | 54.864 |
| 100 | 109.728 |
| 250 | 274.32 |
| 500 | 548.64 |
| 1,000 | 1,097.28 |
The two units
Foot per second (ft/s). Common in engineering and ballistics.
Kilometer per hour (km/h). Used for road speeds in most of the world.
Because both units are defined in terms of the same base unit, the factor 1.09728 is exact, not a rounded measurement.
Convert feet per second to other units
- Feet per second to meters per second — 1 ft/s = 0.3048 m/s
- Feet per second to miles per hour — 1 ft/s = 0.6818181818 mph
- Feet per second to knots — 1 ft/s = 0.5924838013 kn
Convert other units to kilometers per hour
Questions people ask
- How many kilometers per hour are in a foot per second?
- 1.09728, exactly.
- How do you convert feet per second to kilometers per hour?
- km/h = ft/s × 1.09728. It is the same as dividing by 0.9113444153.
- How do you convert kilometers per hour back to feet per second?
- ft/s = km/h ÷ 1.09728. See kilometers per hour to feet per second.
Results use the legal definitions of each unit and are checked against the Pint unit library. Display rounds to 10 significant digits. All unit conversions · More tools
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