Area Converter
Area conversions catch people out because the factor is squared. Since 1 foot is 0.3048 m, 1 square foot is 0.3048² = 0.092903 m² – not 0.3048. Get that right and the rest is bookkeeping: 43,560 sq ft to the acre, 10,000 m² to the hectare.
Spaces at each size
A sheet of A4 is 0.0625 m² (about 0.67 sq ft). A basketball court is 437 m² (4,700 sq ft). A tennis court is 261 m². A football pitch is about 7,140 m² – just under 1.76 acres. An Olympic pool surface is 1,250 m².
Key area equivalents
| Unit | Equals |
|---|---|
| 1 sq ft | 0.092903 m² |
| 1 sq yd | 0.836127 m² (9 sq ft) |
| 1 acre | 4,046.86 m² = 43,560 sq ft |
| 1 hectare | 10,000 m² ≈ 2.471 acres |
| 1 sq mile | 640 acres = 2.59 km² |
Estimating rooms and land
For a room, area in m² is just length × width in metres. For paint or flooring quantities, feed that figure into the paint calculator or tile calculator, which add coats and waste. To convert the room’s linear dimensions first, use the feet to metres or length converter.
FAQ
How do I convert square feet to square metres?
Multiply by 0.092903. For example, 500 sq ft × 0.092903 = 46.45 m².
How many square feet are in an acre?
Exactly 43,560 square feet.
How big is a hectare?
10,000 m² - a square 100 m on each side, or about 2.47 acres.
Why is the area factor not the same as the length factor?
Area has two dimensions, so you square the linear factor. 1 ft = 0.3048 m, so 1 sq ft = 0.3048² = 0.092903 m².
How many acres in a square mile?
640 acres, which is 2.59 square kilometres.