ft/s to km/h Converter
Convert ft/s to km/h instantly: 1 ft/s = 1.09728 km/h. Free converter with the formula, a reference table and FAQs — no sign-up.
| ft/s | km/h |
|---|
How to convert ft/s to km/h
Enter your value
Type the number of ft/s you want to convert into the left box. The result in km/h appears instantly in the right box. You can also type into the right box to convert in the other direction.
Use the swap button
Click the ⇄ Swap button to reverse the conversion — km/h to ft/s. Your current value carries across so you don't have to re-enter anything.
About ft/s and km/h
ft/s and km/h are common speed measurements.
Worked examples: ft/s to km/h
Multiply the ft/s value by 1.09728 to get km/h. A few quick examples:
- 5 ft/s × 1.09728 = 5.4864 km/h
- 25 ft/s × 1.09728 = 27.432 km/h
- 250 ft/s × 1.09728 = 274.32 km/h
Related conversions
1 fps = 1.097 kph. Sound in dry air at 20°C: 343 m/s = 1,235 kph = 1,126 fps. Supersonic is above Mach 1 (≈ 343 m/s at sea level). The Concorde cruise speed was Mach 2.04 = 2,179 kph = 1,354 mph = 1,987 fps.
| ft/s | km/h |
|---|---|
| 1 | 1.097 |
| 5 | 5.486 |
| 10 | 10.97 |
| 15 | 16.46 |
| 20 | 21.95 |
| 30 | 32.92 |
Frequently asked questions
How do I convert ft/s to km/h?
To convert ft/s to km/h, multiply by 1.09728. Or use the calculator above for instant results.
How many km/h are in 1 ft/s?
1 ft/s equals 1.09728 km/h.
Is the ft/s to km/h converter free?
Yes, the ft/s to km/h converter is completely free with no sign-up required, no downloads, and it works offline once the page has loaded.