---
title: "Square kilometers to Hectares — km² to ha converter"
description: "1 square kilometer = 100 hectares. Convert square kilometers to hectares with a full conversion table, the exact formula, and a calculator for any value."
url: https://atoneplace.net/convert/square-km-to-hectares/
site: "At One Place"
---

# Square kilometers to hectares

**1 square kilometer in hectares: 1 km² = 100 ha**

ha = km² × 100

To convert square kilometers to hectares, multiply by 100. The table below gives the values people look up most often, and the converter works for any number.

## Square kilometers to hectares table

*Common square kilometer values converted to hectares.*

| Square kilometers | Hectares |
| --- | --- |
| 1 km² | 100 |
| 2 km² | 200 |
| 3 km² | 300 |
| 4 km² | 400 |
| 5 km² | 500 |
| 10 km² | 1,000 |
| 15 km² | 1,500 |
| 20 km² | 2,000 |
| 25 km² | 2,500 |
| 30 km² | 3,000 |
| 40 km² | 4,000 |
| 50 km² | 5,000 |
| 75 km² | 7,500 |
| 100 km² | 10,000 |
| 250 km² | 25,000 |
| 500 km² | 50,000 |
| 1,000 km² | 100,000 |

## How the conversion works

The relationship is ha = km² × 100. Both units measure area, so the conversion is a fixed factor that never changes.

## Common questions

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

One square kilometer equals 100 hectares. ha = km² × 100.

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

Use ha = km² × 100. So 10 km² is 1,000 ha.

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

One hectare equals 0.01 square kilometers, which is the reverse of the conversion above.

## Related pages

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