Area Converter

Convert between area units — square meters, square feet, acres, hectares, square kilometers, square miles, and more.

Conversions
Enter a value to convert
Quick Reference
1 km² = 1,000,000 m²
1 ha = 10,000 m²
1 mi² ≈ 2.59 km²
1 acre ≈ 4,047 m²
1 ft² ≈ 0.0929 m²
1 yd² ≈ 0.836 m²
Click any conversion result to copy it. All calculations are performed locally in your browser with high precision.

How to Use This Tool

  1. 1

    Enter the area value

    Type the area measurement you want to convert. Decimal values and negative numbers are supported.

  2. 2

    Select the source unit

    Choose the unit of your input value from the dropdown — square meters, square feet, acres, hectares, and more.

  3. 3

    View all conversions

    The tool instantly displays the equivalent value in all 10 area units. The source unit is highlighted.

  4. 4

    Copy any result

    Click on any conversion result to copy it to your clipboard. A 'Copied!' confirmation appears briefly.

Frequently Asked Questions

How many square feet are in an acre?
One acre equals exactly 43,560 square feet. An acre is approximately 4,047 square meters or about 0.405 hectares.
What is a hectare?
A hectare (ha) is 10,000 square meters, or about 2.471 acres. It's commonly used for measuring land area in most countries except the US.
How do I convert between metric and imperial area?
Use this tool! For quick reference: 1 m² ≈ 10.764 ft², 1 km² ≈ 0.386 mi², and 1 acre ≈ 4,047 m².
Why do some results show scientific notation?
For very large or very small numbers, scientific notation (e.g., 1.23e+6) is more readable. This happens automatically when converting between units with large scale differences.