# Square millimeter conversions

area conversions » square millimeter conversionsThe square millimeter conversion selector on this page selects the area/surface measurement unit to convert to starting from square millimeters (sq mm). To make a conversion starting from a unit of area other than square millimeter, simply click on the "Reset" button.

## What is square millimeter?

The **square millimetre** (or **square millimeter**) is a unit of area in the metric system equal to 10-6 square meters (1 mm2 = 10-6 m2), the standard derived unit of area in the International System of Units (SI). It is also equal to 0.01 square centimeters (cm2), or 106 square micrometers (μm2) or 1012 square nanometers (nm2) (units of area in the SI), or 0.0015500031 square inches (sq in) or 1.07639104x10-5 square feet (sq ft), which are Imperial / US customary units of area.

The square millimeter (mm2) is an SI derived unit of area. The millimeter (mm) is a unit of length in the SI. An area of 1.0 square millimeter is the area of a square that is 1.0 millimeter on each side.

*Symbol:*

sq mm

*Plural:*

square millimeters

*Also known as:*

square millimeter (plural: square millimeters, US spelling)

## Square millimeter conversions: direct links

A compehensive list with conversions from square millimeters to other (metric, imperial, or customary) area and surface measurement units is presented below.

- square millimeter to acre (sq mm to ac)
- square millimeter to acre (US survey) (sq mm to ac)
- square millimeter to are (sq mm to a)
- square millimeter to carreau
- square millimeter to centiare (sq mm to ca)
- square millimeter to circular inch (sq mm to circ in)
- square millimeter to circular mil (sq mm to cmil)
- square millimeter to decare (sq mm to daa)
- square millimeter to dunam
- square millimeter to hectare (sq mm to ha)
- square millimeter to mu
- square millimeter to ping
- square millimeter to pyong
- square millimeter to rood (sq mm to ro)
- square millimeter to section
- square millimeter to square centimeter (sq mm to sq cm)
- square millimeter to square chain (sq mm to sq ch)
- square millimeter to square decameter (sq mm to sq dam)
- square millimeter to square decimeter (sq mm to sq dm)
- square millimeter to square foot (sq mm to sq ft)
- square millimeter to square hectometer (sq mm to sq hm)
- square millimeter to square inch (sq mm to sq in)
- square millimeter to square kilometer (sq mm to sq km)
- square millimeter to square meter (sq mm to sq m)
- square millimeter to square micrometer (sq mm to sq μm)
- square millimeter to square mil (sq mm to sq mil)
- square millimeter to square mile (sq mm to sq mi)
- square millimeter to square nanometer (sq mm to sq nm)
- square millimeter to square yard (sq mm to sq yd)
- square millimeter to stremma