How to convert feet per second to kilometers per hour
km/h = ft/s × 1.09728Multiply the value in feet per second by 1.09728. To go the other way, multiply by 0.9113444153 (or divide by 1.09728).
A foot per second is larger than a kilometer per hour: one foot per second contains 1.09728 kilometers per hour.
Worked examples
- 1 foot per second1 ft/s × 1.09728 = 1.09728 km/h
- 5 feet per second5 ft/s × 1.09728 = 5.4864 km/h
- 10 feet per second10 ft/s × 1.09728 = 10.9728 km/h
- 20 feet per second20 ft/s × 1.09728 = 21.9456 km/h
- 100 feet per second100 ft/s × 1.09728 = 109.728 km/h
Feet per second to kilometers per hour conversion table
Values are calculated by the conversion engine and rounded to 8 significant figures.
| Feet per second (ft/s) | Kilometers per hour (km/h) |
|---|---|
| 0.1 ft/s | 0.109728 km/h |
| 0.25 ft/s | 0.27432 km/h |
| 0.5 ft/s | 0.54864 km/h |
| 1 ft/s | 1.09728 km/h |
| 2 ft/s | 2.19456 km/h |
| 3 ft/s | 3.29184 km/h |
| 4 ft/s | 4.38912 km/h |
| 5 ft/s | 5.4864 km/h |
| 6 ft/s | 6.58368 km/h |
| 7 ft/s | 7.68096 km/h |
| 8 ft/s | 8.77824 km/h |
| 9 ft/s | 9.87552 km/h |
| 10 ft/s | 10.9728 km/h |
| Feet per second (ft/s) | Kilometers per hour (km/h) |
|---|---|
| 12 ft/s | 13.16736 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 |
| 75 ft/s | 82.296 km/h |
| 100 ft/s | 109.728 km/h |
| 250 ft/s | 274.32 km/h |
| 500 ft/s | 548.64 km/h |
| 1,000 ft/s | 1,097.28 km/h |
About the units
Foot per second (ft/s)
Exactly 0.3048 m/s. Used for projectile and fluid velocities in US engineering.
Kilometer per hour (km/h)
The road-speed unit in most of the world. Divide by 3.6 for m/s; 100 km/h is about 62 mph. One kilometer per hour equals 0.2777777778 meters per second (m/s).
Frequently asked questions
How many kilometers per hour are in one foot per second?
There are 1.09728 kilometers per hour in one foot per second, and this value is exact by definition.
How do I convert feet per second to kilometers per hour?
Multiply the number of feet per second by 1.09728. For example, 10 ft/s × 1.09728 = 10.9728 km/h.
How many feet per second are in one kilometer per hour?
One kilometer per hour equals 0.9113444153 feet per second. That is the reverse factor, 1 ÷ 1.09728.
What is 10 feet per second in kilometers per hour?
10 ft/s = 10.9728 km/h.
Is this ft/s to km/h converter accurate?
Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.