How to Convert Area Units
Enter the value you want to convert in the input field.
Select the unit you are converting from in the "From" dropdown.
Select the target unit in the "To" dropdown.
Click Convert to see the result.
Key Features
39 Area Units
Covers metric, imperial, US survey, and historical units — from square nanometers to townships.
High Precision
Results use up to 12 significant figures, with automatic scientific notation for extremely large or small values.
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Frequently Asked Questions
How many square feet are in an acre?
One acre equals 43,560 square feet.
What is the difference between a hectare and an acre?
A hectare is a metric unit equal to 10,000 square meters (about 2.471 acres). An acre is an imperial unit equal to 4,046.856 square meters.
How do I convert square meters to square feet?
Select "Square Meter" as the From unit and "Square Foot" as the To unit, enter your value, and click Convert. One square meter equals approximately 10.764 square feet.
What are US Survey units?
US Survey units (such as square foot US survey and acre US survey) are based on the US survey foot, which differs very slightly from the international foot. They are used in land surveying in the United States.