Enter an area in any unit to convert it to square feet, square meters, acres, hectares, and more.
How to Use the Area Unit Conversion Calculator
Pick the unit the area is currently in, enter the value, and the other six units update together.
1 acre = 43,560 ft² = 4,046.856 m²
1 hectare = 10,000 m² = 2.471 acres
1 mi² = 640 acres = 2.590 km²Land area is where unit confusion gets expensive — a plot listed in hectares means nothing to a buyer thinking in acres, and a square-mile zoning figure doesn't compare directly to a square-kilometer one without converting first. The acre-to-hectare relationship in particular is worth memorizing on its own: roughly 2.47 acres to a hectare, a ratio that comes up constantly in real estate and agriculture.