Feet per Second to Kilometers per Hour (ft/s to km/h) Converter
1 foot per second (ft/s) = 1.09728 kilometers per hour (km/h). To convert feet per second to kilometers per hour, multiply by 1.09728: 25 ft/s × 1.09728 = 27.432 km/h. Also searched as feet per second to kilometres per hour.
Quick facts
- 1 ft/s = 1.09728 km/h
- 1 km/h = 0.911344 ft/s
- Formula: km/h = ft/s × 1.09728
- Quick estimate: multiply by about 1.1
How to convert feet per second to kilometers per hour
- Take the value in feet per second.
- Multiply it by 1.09728 (the number of kilometers per hour in one foot per second).
- Round the result to the precision you need.
Worked example: 25 ft/s × 1.09728 = 27.432 km/h.
To convert kilometers per hour back to feet per second, multiply by 0.911344, or divide by 1.09728.
Source: NIST SP 811 (2008), derived from the metre, the international mile and the second.
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 |
ft/s to km/h chart from 1 to 100
- 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
- 11 ft/s 12.0701 km/h
- 12 ft/s 13.1674 km/h
- 13 ft/s 14.2646 km/h
- 14 ft/s 15.3619 km/h
- 15 ft/s 16.4592 km/h
- 16 ft/s 17.5565 km/h
- 17 ft/s 18.6538 km/h
- 18 ft/s 19.751 km/h
- 19 ft/s 20.8483 km/h
- 20 ft/s 21.9456 km/h
- 25 ft/s 27.432 km/h
- 30 ft/s 32.9184 km/h
- 35 ft/s 38.4048 km/h
- 40 ft/s 43.8912 km/h
- 45 ft/s 49.3776 km/h
- 50 ft/s 54.864 km/h
- 55 ft/s 60.3504 km/h
- 60 ft/s 65.8368 km/h
- 65 ft/s 71.3232 km/h
- 70 ft/s 76.8096 km/h
- 75 ft/s 82.296 km/h
- 80 ft/s 87.7824 km/h
- 85 ft/s 93.2688 km/h
- 90 ft/s 98.7552 km/h
- 95 ft/s 104.242 km/h
- 100 ft/s 109.728 km/h
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 |
Feet per Second vs Kilometers per Hour
| Foot per Second | Kilometer per Hour | |
|---|---|---|
| Symbol | ft/s | km/h |
| Equals | 1 ft/s = 1.09728 km/h | 1 km/h = 0.911344 ft/s |
What is a foot per second?
Distance in feet covered in one second. Used in US ballistics, engineering, and fluid flow.
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.
Frequently asked questions
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 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 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. To convert back, multiply by 0.911344.
What is 10 ft/s in kilometers per hour?
10 ft/s = 10.9728 km/h.
What is 100 ft/s in kilometers per hour?
100 ft/s = 109.728 km/h.
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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