Acres (ac) - Area Conversions
An acre is a unit of area in both US Customary Units as well as the Imperial System. The symbol for acre is ac. There are 4,840 square yards in an acre.
Select a Conversion
Select one of the acre conversions below:
- Acre to Hectare (ac to ha)
- Acre to Square Centimeter (ac to cm2)
- Acre to Square Decameter (ac to dam2)
- Acre to Square Decimeter (ac to dm2)
- Acre to Square Feet (ac to ft2)
- Acre to Square Hectometer (ac to hm2)
- Acre to Square Inch (ac to in2)
- Acre to Square Kilometer (ac to km2)
- Acre to Square Meter (ac to m2)
- Acre to Square Mile (ac to mi2)
- Acre to Square Millimeter (ac to mm2)
- Acre to Square Yard (ac 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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