---
title: "Square meters to Square kilometers — m² to km² converter"
description: "1 square meter = 0.000001 square kilometers. Conversion table, the exact formula, and a calculator for any value."
url: https://atoneplace.net/convert/square-meters-to-square-km/
site: "At One Place"
---

# Square meters to square kilometers

**1 square meter in square kilometers: 1 m² = 0.000001 km²**

km² = m² × 0.000001

To convert square meters to square kilometers, multiply by 0.000001. The table below gives the values people look up most often, and the converter works for any number.

## Square meters to square kilometers table

*Common square meter values converted to square kilometers.*

| Square meters | Square kilometers |
| --- | --- |
| 1 m² | 0.000001 |
| 2 m² | 0.000002 |
| 3 m² | 0.000003 |
| 4 m² | 0.000004 |
| 5 m² | 0.000005 |
| 10 m² | 0.00001 |
| 15 m² | 0.000015 |
| 20 m² | 0.00002 |
| 25 m² | 0.000025 |
| 30 m² | 0.00003 |
| 40 m² | 0.00004 |
| 50 m² | 0.00005 |
| 75 m² | 0.000075 |
| 100 m² | 0.0001 |
| 250 m² | 0.00025 |
| 500 m² | 0.0005 |
| 1,000 m² | 0.001 |

## How the conversion works

The relationship is km² = m² × 0.000001. Both units measure area, so the conversion is a fixed factor that never changes.

## Common questions

### How many square kilometers are in one square meter?

One square meter equals 0.000001 square kilometers. km² = m² × 0.000001.

### How do you convert square meters to square kilometers?

Use km² = m² × 0.000001. So 10 m² is 0.00001 km².

### How many square meters are in one square kilometer?

One square kilometer equals 1,000,000 square meters, which is the reverse of the conversion above.

## Related pages

- [Square kilometers to Square meters](https://atoneplace.net/convert/square-km-to-square-meters/)
- [Square meters to Hectares](https://atoneplace.net/convert/square-meters-to-hectares/)
- [Square meters to Acres](https://atoneplace.net/convert/square-meters-to-acres/)
- [Square meters to Square feet](https://atoneplace.net/convert/square-meters-to-square-feet/)
- [Square meters to Square miles](https://atoneplace.net/convert/square-meters-to-square-miles/)

## 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/)