How many square feet are in a square metre?

10.7639. The conversion is the square of the linear ratio, which is why it is not 3.28 — squaring both dimensions is the step people skip.

4,840 square yards, or 43,560 square feet, or 0.4047 hectares. It began as roughly the area a team of oxen could plough in a day, which is why it is not a round number in any modern unit.

How many acres are in a hectare?

2.471. A hectare is a clean 10,000 square metres by definition; the acre is a historical measure, so the relationship between them is untidy in both directions.

Why can't I just multiply by the length conversion?

Because area is two-dimensional. Both sides scale, so the factor is squared — 1 metre is 3.28 feet, but 1 square metre is 3.28 squared, or 10.76 square feet.

How do I work out the area of a room?

Multiply length by width for a rectangle. For an L-shaped room, split it into rectangles at the corner and add them — that is how a builder measures, and it needs no geometry beyond multiplication.

Area Converter

Convert square metres, square feet, acres, hectares and square miles.

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About the Area Converter

Convert between square metres, square feet, acres, hectares and more in one place. Values update as you type, and the result is calculated by converting to a base unit and back — so the arithmetic is the same in both directions and round-tripping a number returns exactly what you started with.

Area units scale as the square of their length units, which is the thing people get wrong. A yard is 3 feet, but a square yard is 9 square feet, not 3. A metre is about 3.28 feet, so a square metre is about 10.76 square feet.

The land measures are historical and oddly specific. An acre is 4,840 square yards — originally the area a yoke of oxen could plough in a day — and a hectare is a clean 10,000 square metres, which is why one acre is the untidy 0.4047 hectares.

How it works

Type a value and choose the units to convert between.
The result updates as you type, with the same value shown in every other unit below.
Jump straight to a direct page for the common conversions listed at the bottom.

Frequently asked questions

How many square feet are in a square metre?: 10.7639. The conversion is the square of the linear ratio, which is why it is not 3.28 — squaring both dimensions is the step people skip.
How big is an acre?: 4,840 square yards, or 43,560 square feet, or 0.4047 hectares. It began as roughly the area a team of oxen could plough in a day, which is why it is not a round number in any modern unit.
How many acres are in a hectare?: 2.471. A hectare is a clean 10,000 square metres by definition; the acre is a historical measure, so the relationship between them is untidy in both directions.
Why can't I just multiply by the length conversion?: Because area is two-dimensional. Both sides scale, so the factor is squared — 1 metre is 3.28 feet, but 1 square metre is 3.28 squared, or 10.76 square feet.
How do I work out the area of a room?: Multiply length by width for a rectangle. For an L-shaped room, split it into rectangles at the corner and add them — that is how a builder measures, and it needs no geometry beyond multiplication.

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