Use these online calculators to convert between square millimeters (mm^{2}) and square meters (m^{2}). These Area conversion calculators provide a quick and easy way to convert square mm to square m, or square m to square mm.
Enter your value in one of the conversion calculators below to convert mm^{2} to m^{2} or convert m^{2} to mm^{2}.
How to convert mm^{2} to m^{2}: Use the conversion calculator titled "Convert mm^{2} to m^{2}". Enter a value in the mm^{2} field and click on the "Calculate square m" button. Your answer will appear in the m^{2} field.
How to convert m^{2} to mm^{2}: Use the conversion calculator titled "Convert m^{2} to mm^{2}". Enter a value in the m^{2} field and click on the "Calculate square mm. Your answer will appear in the mm^{2} field.
The following is a list of definitions relating to conversions between square millimeters and square meters.
A square milliimeter is a unit of area in the Metric System. The symbol for square millimeter is mm^{2}. There are 1,000,000 square millimeters in a square meter. A square millimeter is calculated as the area of a square that has 1 millimeter on each side. The International spelling is square millimetre.
A square meter is a unit of area in the Metric System. The symbol for square meter is m^{2}. There are 10,000 square meters in a hectare, or 1,000,000 square meters in a square kilometer. A square meter is calculated as the area of a square that has 1 meter on each side. The International spelling is square metre.
This table provides a summary of the Area units within their respective measurement systems.
Unit | Symbol | Measurement System | Description |
---|---|---|---|
square inches | in^{2} or sq in | US Customary Units (and Imperial) | |
square feet | ft^{2} or sq ft | US Customary Units (and Imperial) | 1 ft^{2} = 144 in^{2} |
square yards | yd^{2} or sq yd | US Customary Units (and Imperial) | 1 yd^{2} = 9 ft^{2} |
acres | ac | US Customary Units (and Imperial) | 1 ac = 4,840 yd^{2} |
square miles | mi^{2} or sq mi | US Customary Units (and Imperial) | 1 mi^{2} = 640 ac |
square millimeters | mm^{2} | Metric System | |
square centimeters | cm^{2} | Metric System | 1 cm^{2} = 100 mm^{2} |
square decimeters | dm^{2} | Metric System | 1 dm^{2} = 100 cm^{2} |
square meters | m^{2} | Metric System | 1 m^{2} = 100 dm^{2} |
hectares | ha | Metric System | 1 ha = 10,000 m^{2} |
square kilometer | km^{2} | Metric System | 1 km^{2} = 100 ha |