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Area Converter

Type a value and pick the units. The result updates as you type, and the line below shows what one unit is worth in the other.

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Why area factors are the square of length ones

A square foot is not 0.3048 square metres — it is 0.3048 squared, or 0.09290304. Doubling a length quadruples the area, and the conversion factor follows the same rule. Forgetting to square is the most common error in area conversion.

The hectare and the acre are the two units used for land, and neither belongs to a tidy system. A hectare is 10,000 m² by definition. An acre is 4046.86 m², a number that comes from medieval ploughing: the area one team of oxen could till in a day.

Frequently asked questions

How many square feet are in a square meter?

One square metre is 10.7639 square feet. That is 3.28084 squared — the length factor applied twice.

How many acres are in a hectare?

One hectare is 2.47105 acres. Put the other way, an acre is about 0.405 hectares.

What is a hectare in square meters?

Exactly 10,000 m² — a square 100 metres on each side. That is what makes it convenient for land: it is a round number in the metric system, unlike the acre.

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