Area Converter
Convert floor space, land and surface areas between metric and imperial units. Area units are squared lengths, so their conversion factors are the length factors squared: 1 ft = 0.3048 m, so 1 ft² = 0.09290304 m².
square feet
1 m² = 10.7639 ft²
Popular area conversions
Units in this converter
| Unit | Symbol | Equals (in square meters) |
|---|---|---|
| Square millimeter | mm² | 0.000001 m² |
| Square centimeter | cm² | 0.0001 m² |
| Square meter | m² | 1 m² |
| Hectare | ha | 10,000 m² |
| Square kilometer | km² | 1,000,000 m² |
| Square inch | in² | 0.00064516 m² |
| Square foot | ft² | 0.09290304 m² |
| Square yard | yd² | 0.83612736 m² |
| Acre | ac | 4,046.8564224 m² |
About the units
- Square millimeter (mm²)
- A square millimeter is the area of a square 1 mm on each side. Electricians use it for wire cross-sections, as in 1.5 mm² or 2.5 mm² cable.
- Square centimeter (cm²)
- A square centimeter is the area of a square 1 cm on each side, equal to 100 mm². It suits small surfaces such as labels, photos and skin patches.
- Square meter (m²)
- The square meter is the SI unit of area. Outside the US, apartment sizes, room floor areas and building plans are given in square meters.
- Hectare (ha)
- A hectare is 10,000 square meters, a square 100 m on each side, or about 2.471 acres. Farmland, forests and large building sites are measured in hectares in most countries.
- Square kilometer (km²)
- A square kilometer equals 1,000,000 square meters or 100 hectares. It is used for the areas of cities, lakes, national parks and countries.
- Square inch (in²)
- A square inch is exactly 6.4516 cm². Besides small surfaces, it appears in the US pressure unit psi: pounds per square inch.
- Square foot (ft²)
- A square foot equals 144 square inches, exactly 0.09290304 m². It is the standard unit for home and office floor space in the US and Canada.
- Square yard (yd²)
- A square yard equals 9 square feet, exactly 0.83612736 m². In the US it is used for carpet, sod and other materials sold by area.
- Acre (ac)
- An acre is 43,560 square feet, about 4,047 m². It is the traditional unit for land in the US and the UK. An American football field including both end zones covers about 1.32 acres.
Frequently asked questions
Why isn’t 1 square meter 3.28 square feet?
Because area is two-dimensional. One meter is 3.28084 feet, so one square meter is 3.28084 × 3.28084 ≈ 10.7639 square feet.
How big is a hectare?
A hectare is a square 100 meters on each side: 10,000 m², or about 2.47 acres.