Square mil
From HandWiki
square mil | |
---|---|
Unit system | Imperial and US customary measurement systems |
Unit of | Area |
Symbol | mil2 |
Conversions | |
1 mil2 in ... | ... is equal to ... |
Imperial and US customary | 10−6 in2 |
SI units | 6.45160×10−4 mm2 |
A square mil is a unit of area, equal to the area of a square with sides of length one mil. A mil is one thousandth of an international inch. This unit of area is usually used in specifying the area of the cross section of a wire or cable.
Equivalence to other units of area
1 square mil is equal to:
- 1 millionth of a square inch (1 square inch is equal to 1 million square mils)
- 6.4516×10−10 square metres
- about 1.273 circular mils (1 circular mil is equal to about 0.7854 square mils). 1.273 ≈ 4/π and 0.7854 ≈ π/4.
See also
![]() | Original source: https://en.wikipedia.org/wiki/Square mil.
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