---
title: "Area converter — every unit"
description: "Convert between every area unit: square meter, square kilometer, hectare, acre, square foot and more. Tables, exact formulas and a calculator."
url: https://atoneplace.net/convert/area/
site: "At One Place"
---

# Area conversions

Every area unit on the site, and every conversion between them. Each page shows a full table, the exact formula and a live calculator.

## All area units

*Every area unit and its size relative to the base unit.*

| Unit | Symbol | In square meter |
| --- | --- | --- |
| square meter | m² | 1 |
| square kilometer | km² | 1,000,000 |
| square centimeter | cm² | 0.0001 |
| hectare | ha | 10,000 |
| acre | acre | 4,046.856422 |
| square foot | ft² | 0.09290304 |
| square inch | in² | 0.00064516 |
| square yard | yd² | 0.83612736 |
| square mile | mi² | 2,589,988.11 |

## Common conversions

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

## 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)