/convert/fps-to-kph/ Convert ft/s to km/h instantly with a reference conversion table. article ft/s to km/h Converter — 247QuickTools
⚡ Speed

ft/s to km/h Converter

Convert ft/s to km/h instantly with a reference conversion table.

Quick answer: To convert ft/s to km/h, multiply by 1.09728. For example, 1 ft/s = 1.09728 km/h. Use the calculator below for any value.
ft/s to km/h
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Common conversions
ft/s km/h
Formula:

How to convert ft/s to km/h

1

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.

2

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.

3

About ft/s and km/h

ft/s and km/h are common speed measurements.

💡 Did you know?

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.

📊 Common conversions at a glance
ft/s km/h
1 1.097
5 5.486
10 10.97
15 16.46
20 21.95
30 32.92
Reviewed for 2026. ft/s ↔ km/h conversion factor verified against published reference data. Built by a UK-based qualified primary teacher and FA Level 2 coach as part of 247QuickTools' free utility-tools project.

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.