Convert between area units instantly, plus calculate areas by shape
Multiply square feet by 0.092903 to get square meters. Our converter does this instantly.
1 acre equals 43,560 square feet.
1 hectare = 2.471 acres. A hectare is 10,000 m², while an acre is 4,046.86 m².
Area = π × r², where r is the radius. Enter the radius in our calculator to get the result in any unit.
This tool supports rectangle, circle, and triangle shapes. For irregular shapes, break them into these basic shapes.
mm², cm², m², km², hectares, acres, square feet, square yards, and square miles.
Area = ½ × base × height. Enter base and height measurements to get the area.
Yes, completely free with no signup required. All calculations run in your browser.