Square Millimeters (mm2) - Area Conversions
A square millimeter is a unit of area in the Metric System. The symbol for square millimeter is mm2. A square millimeter is calculated as the area of a square that has 1 millimeter on each side. The International spelling for this unit is square millimetre.
Select a Conversion
Select one of the square millimeter conversions below:
- Square Millimeter to Acre (mm2 to ac)
- Square Millimeter to Hectare (mm2 to ha)
- Square Millimeter to Square Centimeter (mm2 to cm2)
- Square Millimeter to Square Decameter (mm2 to dam2)
- Square Millimeter to Square Decimeter (mm2 to dm2)
- Square Millimeter to Square Feet (mm2 to ft2)
- Square Millimeter to Square Hectometer (mm2 to hm2)
- Square Millimeter to Square Inch (mm2 to in2)
- Square Millimeter to Square Kilometer (mm2 to km2)
- Square Millimeter to Square Meter (mm2 to m2)
- Square Millimeter to Square Mile (mm2 to mi2)
- Square Millimeter to Square Yard (mm2 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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