---
title: "Kilometers per hour to Meters per second converter"
description: "1 kilometer per hour = 0.27778 meters per second. Conversion table, the exact formula, and a calculator for any value."
url: https://atoneplace.net/convert/kmh-to-meters-per-second/
site: "At One Place"
---

# Kilometers per hour to meters per second

**1 kilometer per hour in meters per second: 1 km/h = 0.27778 m/s**

m/s = km/h × 5/18

To convert kilometers per hour to meters per second, multiply by 0.2777777778. The table below gives the values people look up most often, and the converter works for any number.

## Kilometers per hour to meters per second table

*Common kilometer per hour values converted to meters per second.*

| Kilometers per hour | Meters per second |
| --- | --- |
| 1 km/h | 0.27778 |
| 2 km/h | 0.55556 |
| 3 km/h | 0.83333 |
| 4 km/h | 1.111111 |
| 5 km/h | 1.388889 |
| 10 km/h | 2.777778 |
| 15 km/h | 4.166667 |
| 20 km/h | 5.555556 |
| 25 km/h | 6.944444 |
| 30 km/h | 8.333333 |
| 40 km/h | 11.11111 |
| 50 km/h | 13.88889 |
| 75 km/h | 20.83333 |
| 100 km/h | 27.77778 |
| 250 km/h | 69.44444 |
| 500 km/h | 138.8889 |
| 1,000 km/h | 277.7778 |

## How the conversion works

The relationship is m/s = km/h × 5/18. Both units measure speed, so the conversion is a fixed factor that never changes.

## Common questions

### How many meters per second are in one kilometer per hour?

One kilometer per hour equals 0.27778 meters per second. m/s = km/h × 5/18.

### How do you convert kilometers per hour to meters per second?

Use m/s = km/h × 5/18. So 10 km/h is 2.777778 m/s.

### How many kilometers per hour are in one meter per second?

One meter per second equals 3.6 kilometers per hour, which is the reverse of the conversion above.

## Related pages

- [Meters per second to Kilometers per hour](https://atoneplace.net/convert/meters-per-second-to-kmh/)
- [Kilometers per hour to Miles per hour](https://atoneplace.net/convert/kmh-to-mph/)
- [Kilometers per hour to Knots](https://atoneplace.net/convert/kmh-to-knots/)

## Sources

- Guide for the Use of the International System of Units (SP 811) — NIST (https://www.nist.gov/pml/special-publication-811) [Public domain (US Government)]
- The International System of Units (SI Brochure) — Bureau International des Poids et Mesures (https://www.bipm.org/en/publications/si-brochure)
- Calculated on this page — At One Place (/about/)