Area Converter

Convert area units instantly in your browser

Enter an area value and choose your source and target units — the result updates as you type. Seven units are supported: square meters (m²), square kilometers (km²), square feet (ft²), square yards (yd²), acres, hectares, and square miles (mi²). Nothing is sent to a server; every calculation runs locally in your browser.

All conversions use the square meter as the base unit. An acre is defined as exactly 4046.8564224 m² and a hectare as exactly 10,000 m². Customary units (ft², yd²) use the international foot of 0.3048 m exactly. Results are displayed to seven significant digits to avoid floating-point noise while staying accurate for everyday use.

FAQ

How many acres in a hectare? One hectare equals approximately 2.47105 acres. Conversely, one acre is approximately 0.404686 hectares.

How many square feet in an acre? One acre equals exactly 43,560 square feet. This is a commonly used conversion in US real estate.