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Home > Conversions (Area) > Conversion tables from/to square millimeter > sq mm to sq in Conversion Cheat Sheet (Interactive)
 To build or customize your cheat sheet (table below) adjust the values (From, Step, Decimals) in this form and hit the Update button. You could also enter the values to convert and print directly on the table From: Step: Decimals: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
 [Formula: sq in = sq mm x 1.5500031000062E-03]   [Printer friendly]  [Square inches to Square millimeters] sq mm   sq in
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# Square millimeters to Square inches Conversion Table

 sq mm  =  1.5500031000062E-03 sq in

# How to convert from Square millimeters to Square inches

Since 1 square millimeter is equal to 1.5500031000062E-03 square inches, we could say that n square millimeters are equal to 1.5500031000062E-03 times n square inches. In other words, we could use the following formula:

square inches = square millimeters x 1.5500031000062E-03

For example, let's say that we want to convert 2.0 square millimeters to square inches. Then, we just replace square millimeters in the abovementioned formula with 2.0:

square inches = 2.0 x 1.5500031000062E-03

That is, 2.0 square millimeters are equal to 0.0031000062000124 square inches.