📐 Area converter
Convert between square feet, square meters, acres, hectares and other units of area. Enter a value and pick its unit to see it in every other unit.
Popular area conversions
| Conversion | Rate |
|---|---|
| Square Feet to square meters | 1 ft² = 0.09290304 m² |
| Square Meters to square feet | 1 m² = 10.76391 ft² |
| Acres to square feet | 1 ac = 43,560 ft² |
| Square Feet to acres | 1 ft² = 0.000022956841 ac |
| Hectares to acres | 1 ha = 2.4710538 ac |
| Acres to hectares | 1 ac = 0.40468564 ha |
| Square Inches to square feet | 1 in² = 0.0069444444 ft² |
| Square Miles to square kilometers | 1 mi² = 2.5899881 km² |
About area units
An area conversion factor is the square of the length factor. One foot is 0.3048 m, so one square foot is 0.3048² = 0.09290304 m².
For land, acres are used in the US and UK and hectares almost everywhere else. One hectare is about 2.47 acres.
Area units
| Unit | Symbol | In square meters |
|---|---|---|
| Square Centimeter | cm² | 0.0001 m² |
| Square Meter | m² | 1 m² |
| Square Kilometer | km² | 1,000,000 m² |
| Hectare | ha | 10,000 m² |
| Square Inch | in² | 0.00064516 m² |
| Square Foot | ft² | 0.09290304 m² |
| Square Yard | yd² | 0.83612736 m² |
| Acre | ac | 4,046.856422 m² |
| Square Mile | mi² | 2,589,988.11 m² |
| Square Millimeter | mm² | 0.000001 m² |
All area conversions
From square centimeters
- Square Centimeters to square meters
- Square Centimeters to square kilometers
- Square Centimeters to hectares
- Square Centimeters to square inches
- Square Centimeters to square feet
- Square Centimeters to square yards
- Square Centimeters to acres
- Square Centimeters to square miles
- Square Centimeters to square millimeters
From square meters
From square kilometers
From hectares
From square inches
From square feet
From square yards
From acres
From square miles
From square millimeters
Area unit definitions
- Square Centimeter (cm²)
- A square centimeter is the area of a square 1 cm on each side, one ten-thousandth of a square meter.
- Square Meter (m²)
- A square meter is the SI unit of area, the area of a square one meter on each side. Floor space outside the US is given in square meters.
- Square Kilometer (km²)
- A square kilometer is 1,000,000 square meters, or 100 hectares. The size of cities and countries is given in square kilometers.
- Hectare (ha)
- A hectare is 10,000 square meters, a square 100 meters on each side, or about 2.47 acres. It is the standard unit for farmland outside the US.
- Square Inch (in²)
- A square inch is the area of a square one inch on each side, exactly 6.4516 square centimeters.
- Square Foot (ft²)
- A square foot is the area of a square one foot on each side, about 0.0929 square meters. US homes and offices are sized in square feet.
- Square Yard (yd²)
- A square yard is 9 square feet, about 0.836 square meters. Carpet and turf are often sold by the square yard.
- Acre (ac)
- An acre is 43,560 square feet, about 4,047 square meters. US and UK land is measured in acres.
- Square Mile (mi²)
- A square mile is 640 acres, about 2.59 square kilometers.
- Square Millimeter (mm²)
- A square millimeter is one millionth of a square meter. Wire cross-sections are often given in square millimeters.