How many hectare in 1 sq mm? The answer is 1.0E-10. We assume you are converting between hectare and square millimetre. You can view more details on each measurement unit: hectare or sq mm The SI derived unit for area is the square meter. 1 square meter is equal to 0.0001 hectare, or 1000000 sq mm. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between hectares and square millimeters. Type in your own numbers in the form to convert the units!
1 hectare to sq mm = 10000000000 sq mm
2 hectare to sq mm = 20000000000 sq mm
3 hectare to sq mm = 30000000000 sq mm
4 hectare to sq mm = 40000000000 sq mm
5 hectare to sq mm = 50000000000 sq mm
6 hectare to sq mm = 60000000000 sq mm
7 hectare to sq mm = 70000000000 sq mm
8 hectare to sq mm = 80000000000 sq mm
9 hectare to sq mm = 90000000000 sq mm
10 hectare to sq mm = 100000000000 sq mm
You can do the reverse unit conversion from sq mm to hectare, or enter any two units below:
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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