Area Converter — Free Online Tool
Convert between sq mm, sq cm, sq m, sq km, hectare, acre, sq foot and sq mile in real time.
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About Area Converter
The Area Converter lets you switch between metric and imperial area units such as square millimeters, square meters, square kilometers, hectares, acres, square feet, and square miles. Enter a value, pick your units, and the result updates instantly as you type, with the exact conversion formula shown right below the answer.
Area conversions are everyday tasks for real estate listings, farming and land measurement, construction estimates, and classroom geometry. Because every calculation runs locally in your browser, results appear instantly and your numbers never leave your device.
How to Use Area Converter
- Type the area value you want to convert into the Value field.
- Choose the unit you are converting from in the From dropdown.
- Choose the unit you want the result in from the To dropdown.
- Read the converted result instantly, then use Copy Result to save it.
Key Features
Convert between 8 area units including hectare and acre
Live results that update as you type
Swap button to reverse the from and to units instantly
Shows the full conversion formula for every result
100% client-side processing - your values never leave the browser
Copy the result to your clipboard with one click
Frequently Asked Questions
How many square feet are in one acre?
One acre equals 43,560 square feet, or about 4,046.86 square meters. The acre is a common unit for measuring land in the United States, the UK, and several other countries.
What is the difference between a hectare and an acre?
A hectare equals 10,000 square meters, while an acre equals roughly 4,046.86 square meters. One hectare is about 2.471 acres, so the hectare is the larger of the two units.
How do I convert square meters to square feet?
Multiply the number of square meters by 10.7639 to get square feet. For example, 50 square meters equals about 538.2 square feet.
Is this area converter accurate for land measurement?
Yes. It uses internationally defined conversion factors with high precision, making it reliable for land, property, and construction calculations.