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Convert Square Millimeters to Square Inches

mm2\mathrm{mm}^{2}
=
in2\mathrm{in}^{2}

Square Millimeter (mm²)

A metric unit of area equal to the area of a square with sides of 1 millimeter.

Square Inch (in²)

An imperial unit of area equal to the area of a square with sides of 1 inch.

Square Millimeters to Square Inches Conversion Table

Square Millimeters (mm²)Square Inches (in²)
10.00155
20.0031
50.00775
100.0155
200.031
500.0775
1000.155
2500.3875
5000.775
10001.55

How to Convert Square Millimeters to Square Inches

Conversion factor:

1 mm2=0.00155 in21\,\mathrm{mm}^{2} = 0.00155\,\mathrm{in}^{2}

Inverse factor:

1 in2=645.16 mm21\,\mathrm{in}^{2} = 645.16\,\mathrm{mm}^{2}

Example

Convert 15 mm² to in²:

in2=mm2×0.00155\mathrm{in}^{2} = \mathrm{mm}^{2} \times 0.00155
in2=15×0.00155\mathrm{in}^{2} = 15 \times 0.00155
in2=0.02325\mathrm{in}^{2} = 0.02325
=0.02325 in2= 0.02325 \, \mathrm{in}^{2}

All conversions from Square Millimeters (mm²)