How many square mil in 1 millihectare? The answer is 15500031000.062. We assume you are converting between square mil and millihectare. You can view more details on each measurement unit: square mil or millihectare The SI derived unit for area is the square meter. 1 square meter is equal to 1550003100.0062 square mil, or 0.1 millihectare. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between square mil and millihectares. Type in your own numbers in the form to convert the units!
You can do the reverse unit conversion from millihectare to square mil, or enter any two units below:
A square mil is defined as the area of a square with sides one mil in length.
The definition of a mil is as follows:
A milliradian, often called a mil or mrad, is an SI derived unit for angular measurement which is defined as a thousandth of a radian (0.001 radian).
Compass use of mils typically rounds 6283 to 6400 for simplification, but here we use the official definition.
The SI prefix "milli" represents a factor of 10-3, or in exponential notation, 1E-3.
So 1 millihectare = 10-3 hectares.
The definition of a hectare is as follows:
A hectare (symbol ha) is a metric unit of surface area, equal to 100 ares (the name is a contraction of the SI prefix hecto + are). It is a non-SI unit currently accepted (although discouraged) for use with the SI. Its use is widespread in agriculture where it is more practical than either square metres or square kilometres, typical fields being a few hectares in size.
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