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 U.S. Standard Units to Metric measurements conversion

mm to in

This online calculator provides conversion of inches to millimetres

Enter mm or inches for conversion:

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Digits after decimal point:

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Conversion Table

 mm to in conversion 0.1 mm 0.003937 in 1 mm 0.039 in 2 mm 0.079 in 3 mm 0.118 in 4 mm 0.157 in 5 mm 0.197 in 6 mm 0.236 in 7 mm 0.276 in 8 mm 0.315 in 9 mm 0.354 in 10 mm 0.394 in 11 mm 0.03937 in 12 mm 0.4724 in 13 mm 0.5118 in 14 mm 0.5512 in 15 mm 0.5906 in 16 mm 0.6299 in 17 mm 0.6693 in 18 mm 0.7087 in 19 mm 0.7480 in 20 mm 0.7874 in 21 mm 0.8268 in 22 mm 0.8661 in 23 mm 0.9055 in 24 mm 0.9449 in 25 mm 0.9843 in 26 mm 1.0236 in 27 mm 1.0630 in 28 mm 1.1024 in 29 mm 1.1417 in 30 mm 1.181 in 40 mm 1.575 in 50 mm 1.969 in

Convertion formula millimetres to inches (mm to in)

The length L(in) in inches is equal to the length L(mm) in millimetres divided by 25.4:

L(in) = L(mm) / 25.4

Example of conversion

Convert 40 mm to inches:

L(in) = 40 mm / 25.4 = 1.575 in

 U.S. Standard Units to Metric measurements conversion