Square Feet (ft2) - Area Conversions
A square foot is a unit of area in both US Customary Units as well as the Imperial System. The symbol for square foot is ft2 or sq ft. A square foot is calculated as the area of a square that has 1 foot on each side.
Select a Conversion
Select one of the square feet conversions below:
- Square Feet to Acre (ft2 to ac)
- Square Feet to Hectare (ft2 to ha)
- Square Feet to Square Centimeter (ft2 to cm2)
- Square Feet to Square Decameter (ft2 to dam2)
- Square Feet to Square Decimeter (ft2 to dm2)
- Square Feet to Square Hectometer (ft2 to hm2)
- Square Feet to Square Inch (ft2 to in2)
- Square Feet to Square Kilometer (ft2 to km2)
- Square Feet to Square Meter (ft2 to m2)
- Square Feet to Square Mile (ft2 to mi2)
- Square Feet to Square Millimeter (ft2 to mm2)
- Square Feet to Square Yard (ft2 to yd2)
Unit Summary
This table provides a summary of the Area units within their respective measurement systems.
| Unit | Symbol | Measurement System |
|---|---|---|
| square inches | in2 or sq in | US Customary Units/Imperial System |
| square feet | ft2 or sq ft | US Customary Units/Imperial System |
| square yards | yd2 or sq yd | US Customary Units/Imperial System |
| acres | ac | US Customary Units/Imperial System |
| square miles | mi2 or sq mi | US Customary Units/Imperial System |
| square millimeters | mm2 | Metric System |
| square centimeters | cm2 | Metric System |
| square decimeters | dm2 | Metric System |
| square meters | m2 | Metric System |
| square decameters | dam2 | Metric System |
| square hectometers | hm2 | Metric System |
| hectares | ha | Metric System |
| square kilometers | km2 | Metric System |
Note: For area conversions, US Customary Units and the Imperial System are equivalent.
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