Area Converter
Converts any area between metric and imperial units. Useful for floor plans, plots of land and material coverage — an acre and a hectare are both land measures, but a hectare is about 2.47 acres.
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The formula
result = value × (from factor ÷ to factor)
Each area unit is defined by its size relative to the square metre, so converting between any two is a single multiplication.
Every area unit
| Unit | Symbol | In one square metre |
|---|---|---|
| square millimetre | mm² | 1,000,000 |
| square centimetre | cm² | 10,000 |
| square metre | m² | 1 |
| square kilometre | km² | 0.000001 |
| square inch | in² | 1,550.0031 |
| square foot | ft² | 10.76391 |
| square yard | yd² | 1.19599 |
| acre | acre | 0.00024710538 |
| hectare | ha | 0.0001 |
| square mile | mi² | 0.00000038610216 |
Frequently Asked Questions
How many square feet are in a square metre?
One square metre is 10.7639 square feet. The factor is the square of the length conversion: 3.28084² = 10.7639.
How big is an acre?
An acre is exactly 43,560 square feet, or 4,046.86 square metres. It began as the area a yoke of oxen could plough in a day — one chain by one furlong.
Acres or hectares — which is bigger?
A hectare is bigger. One hectare is 10,000 square metres, or about 2.471 acres.