Convert area between m², cm², km², ft², yd², acres, hectares, and square miles. All units at once.
Enter an area in any unit and instantly see the equivalent in all metric and imperial area units: square millimetres, square centimetres, square metres, square kilometres, square feet, square yards, square miles, acres, and hectares.
Enter a value in the number box and select the source unit from the dropdown. All other units update instantly in the cards below.
A hectare is 10,000 m² — the area of a square 100 m on each side. It is the standard unit for measuring land area in most countries and equals 2.471 acres.
An acre is 4,046.86 m², roughly the size of a standard American football field (minus the end zones). It is the standard land area unit in the US and UK.
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