/convert/kilometers-per-hour-to-mps/ Convert km/h to m/s instantly with a reference table. article km/h to m/s Converter — 247QuickTools
⚡ Speed

km/h to m/s Converter

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

Quick answer: To convert km/h to m/s, multiply by 0.277778. For example, 1 km/h = 0.277778 m/s. Use the calculator below for any value.
km/h to m/s
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Common conversions
km/h m/s
Formula:

How to convert km/h to m/s

1

Enter your value

Type the number of km/h you want to convert into the left box. The result in m/s 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 — m/s to km/h. Your current value carries across so you don't have to re-enter anything.

3

About km/h and m/s

km/h and m/s are both speed measurements.

💡 Did you know?

1 m/s = 3.6 kph. Rain falls at 5-9 m/s = 18-32 kph. Terminal velocity of a skydiver (belly-down): ~55 m/s = 198 kph. Speed of sound at sea level: 343 m/s = 1,234.8 kph = Mach 1.

📊 Common conversions at a glance
km/h m/s
1 0.2778
5 1.389
10 2.778
20 5.556
30 8.333
50 13.89
Reviewed for 2026. km/h ↔ m/s 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 km/h to m/s?

To convert km/h to m/s, multiply by 0.277778. Or use the calculator above for instant results.

How many m/s are in 1 km/h?

1 km/h equals 0.277778 m/s.

Is the km/h to m/s converter free?

Yes, the km/h to m/s converter is completely free with no sign-up required, no downloads, and it works offline once the page has loaded.