Convert foot/second to kilometer/hour
Please provide values below to convert foot/second [ft/s] to kilometer/hour [km/h], or Convert kilometer/hour to foot/second.
1 ft/s = 1.09727999991 km/h. To convert foot/second to kilometer/hour, multiply the value by 1.09727999991; to go the other way, divide by it (1 km/h = 0.911344415354 ft/s). Both units measure speed and appear in everyday as well as technical calculations, so switching between them quickly is often useful.
Quick Reference
- 1 ft/s = 1.09727999991 km/h
- 1 km/h = 0.911344415354 ft/s
- 10 ft/s = 10.9727999991 km/h
- 100 ft/s = 109.727999991 km/h
How to Convert Foot/second to Kilometer/hour
1 ft/s = 1.09727999991222 km/h
Example: convert 15 ft/s to km/h:
15 ft/s = 15 × 1.09727999991222 km/h = 16.4591999986833 km/h
Foot/second to Kilometer/hour Conversion Table
| foot/second | kilometer/hour |
|---|---|
| 1 ft/s | 1.09727999991 km/h |
| 2 ft/s | 2.19455999982 km/h |
| 3 ft/s | 3.29183999974 km/h |
| 5 ft/s | 5.48639999956 km/h |
| 10 ft/s | 10.9727999991 km/h |
| 20 ft/s | 21.9455999982 km/h |
| 50 ft/s | 54.8639999956 km/h |
| 100 ft/s | 109.727999991 km/h |
| 500 ft/s | 548.639999956 km/h |
| 1000 ft/s | 1097.27999991 km/h |
Foot/second
Foot per second (ft/s) is a unit of speed representing the distance of one foot traveled in one second.
History/Origin
The foot per second has been used historically in engineering, physics, and aeronautics, originating from the imperial measurement system where the foot is a standard unit of length. Its usage predates the metric system and has been common in the United States and other countries using imperial units.
Current Use
Today, ft/s is primarily used in fields such as physics, engineering, and aviation to measure speeds, especially in contexts where imperial units are standard. It is also used in sports and safety standards related to speed measurements.
Kilometer/hour
Kilometer per hour (km/h) is a unit of speed expressing the number of kilometers traveled in one hour.
History/Origin
The km/h unit originated from the metric system, developed in France during the late 18th century, and became widely adopted for measuring speed in transportation and scientific contexts.
Current Use
Km/h is commonly used worldwide to specify vehicle speeds, speed limits, and other applications involving the measurement of speed in everyday life and transportation systems.
Frequently Asked Questions
What is 1 foot/second in kilometer/hour?
1 foot/second (ft/s) = 1.09727999991 kilometer/hour (km/h).
How do you convert foot/second to kilometer/hour?
Multiply the foot/second value by 1.09727999991. For example, 25 ft/s × 1.09727999991 = 27.4319999978 km/h.
What is 10 foot/second in kilometer/hour?
10 ft/s = 10.9727999991 km/h.
Which unit is larger, the foot/second or the kilometer/hour?
The foot/second is the larger unit: 1 ft/s = 1.09727999991 km/h.