Kilometers per Hour to Feet per Second (km/h to ft/s) Converter
1 kilometer per hour (km/h) = 0.911344 feet per second (ft/s). To convert kilometers per hour to feet per second, multiply by 0.911344: 100 km/h × 0.911344 = 91.1344 ft/s. Also searched as kph to foot per second, kmph to foot per second, kilometres per hour to feet per second.
Quick facts
- 1 km/h = 0.911344 ft/s
- 1 ft/s = 1.09728 km/h
- Formula: ft/s = km/h × 0.911344
- Quick estimate: multiply by about 0.91
How to convert kilometers per hour to feet per second
- Take the value in kilometers per hour.
- Multiply it by 0.911344 (the number of feet per second in one kilometer per hour).
- Round the result to the precision you need.
Worked example (motorway driving): 100 km/h × 0.911344 = 91.1344 ft/s.
To convert feet per second back to kilometers per hour, multiply by 1.09728, or divide by 0.911344.
Source: NIST SP 811 (2008), derived from the metre, the international mile and the second.
Kilometers per Hour to Feet per Second conversion table
| Kilometers per Hour [km/h] | Feet per Second [ft/s] |
|---|---|
| 0.01 km/h | 0.0091134442 ft/s |
| 0.1 km/h | 0.0911344415 ft/s |
| 1 km/h | 0.9113444154 ft/s |
| 2 km/h | 1.8226888307 ft/s |
| 3 km/h | 2.7340332461 ft/s |
| 5 km/h | 4.5567220768 ft/s |
| 10 km/h | 9.1134441535 ft/s |
| 20 km/h | 18.2268883071 ft/s |
| 50 km/h | 45.5672207677 ft/s |
| 100 km/h | 91.1344415354 ft/s |
| 1000 km/h | 911.3444153543 ft/s |
km/h to ft/s chart from 1 to 100
- 1 km/h 0.911344 ft/s
- 2 km/h 1.82269 ft/s
- 3 km/h 2.73403 ft/s
- 4 km/h 3.64538 ft/s
- 5 km/h 4.55672 ft/s
- 6 km/h 5.46807 ft/s
- 7 km/h 6.37941 ft/s
- 8 km/h 7.29076 ft/s
- 9 km/h 8.2021 ft/s
- 10 km/h 9.11344 ft/s
- 11 km/h 10.0248 ft/s
- 12 km/h 10.9361 ft/s
- 13 km/h 11.8475 ft/s
- 14 km/h 12.7588 ft/s
- 15 km/h 13.6702 ft/s
- 16 km/h 14.5815 ft/s
- 17 km/h 15.4929 ft/s
- 18 km/h 16.4042 ft/s
- 19 km/h 17.3155 ft/s
- 20 km/h 18.2269 ft/s
- 25 km/h 22.7836 ft/s
- 30 km/h 27.3403 ft/s
- 35 km/h 31.8971 ft/s
- 40 km/h 36.4538 ft/s
- 45 km/h 41.0105 ft/s
- 50 km/h 45.5672 ft/s
- 55 km/h 50.1239 ft/s
- 60 km/h 54.6807 ft/s
- 65 km/h 59.2374 ft/s
- 70 km/h 63.7941 ft/s
- 75 km/h 68.3508 ft/s
- 80 km/h 72.9076 ft/s
- 85 km/h 77.4643 ft/s
- 90 km/h 82.021 ft/s
- 95 km/h 86.5777 ft/s
- 100 km/h 91.1344 ft/s
Feet per Second to Kilometers per Hour conversion table
| Feet per Second [ft/s] | Kilometers per Hour [km/h] |
|---|---|
| 0.01 ft/s | 0.0109728 km/h |
| 0.1 ft/s | 0.109728 km/h |
| 1 ft/s | 1.0972799999 km/h |
| 2 ft/s | 2.1945599998 km/h |
| 3 ft/s | 3.2918399997 km/h |
| 5 ft/s | 5.4863999996 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 | 109.7279999912 km/h |
| 1000 ft/s | 1097.2799999122 km/h |
Kilometers per Hour vs Feet per Second
| Kilometer per Hour | Foot per Second | |
|---|---|---|
| Symbol | km/h | ft/s |
| Equals | 1 km/h = 0.911344 ft/s | 1 ft/s = 1.09728 km/h |
What is a kilometer per hour?
Distance in kilometers covered in one hour. The standard speed unit for driving and weather worldwide outside the US.
What is a foot per second?
Distance in feet covered in one second. Used in US ballistics, engineering, and fluid flow.
Frequently asked questions
How many feet per second are in a kilometer per hour?
There are 0.911344 feet per second in 1 kilometer per hour (1 km/h = 0.9113444154 ft/s).
How many kilometers per hour are in a foot per second?
There are 1.09728 kilometers per hour in 1 foot per second (1 ft/s = 1.0972799999 km/h).
How do I convert kilometers per hour to feet per second?
Multiply the number of kilometers per hour by 0.911344. For example, 10 km/h × 0.911344 = 9.11344 ft/s. To convert back, multiply by 1.09728.
What is 10 km/h in feet per second?
10 km/h = 9.11344 ft/s.
What is 100 km/h in feet per second?
100 km/h = 91.1344 ft/s.
Is the conversion exact?
Yes. The factor comes from the official definitions of both units (NIST SP 811 (2008), derived from the metre, the international mile and the second). Results are shown to up to 10 decimal places; round them to suit your purpose.
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