## ››Convert millimeter water [4 °C] to hectopascal

 mm H2O hectopascal

How many mm H2O in 1 hectopascal? The answer is 10.197162129779.
We assume you are converting between millimeter water [4 °C] and hectopascal.
You can view more details on each measurement unit:
mm H2O or hectopascal
The SI derived unit for pressure is the pascal.
1 pascal is equal to 0.10197162129779 mm H2O, or 0.01 hectopascal.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between millimeters water and hectopascals.
Type in your own numbers in the form to convert the units!

## ››Quick conversion chart of mm H2O to hectopascal

1 mm H2O to hectopascal = 0.09807 hectopascal

10 mm H2O to hectopascal = 0.98067 hectopascal

20 mm H2O to hectopascal = 1.96133 hectopascal

30 mm H2O to hectopascal = 2.942 hectopascal

40 mm H2O to hectopascal = 3.92266 hectopascal

50 mm H2O to hectopascal = 4.90333 hectopascal

100 mm H2O to hectopascal = 9.80665 hectopascal

200 mm H2O to hectopascal = 19.6133 hectopascal

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## ››Definition: Hectopascal

The SI prefix "hecto" represents a factor of 102, or in exponential notation, 1E2.

So 1 hectopascal = 102 pascals.

The definition of a pascal is as follows:

The pascal (symbol Pa) is the SI unit of pressure.It is equivalent to one newton per square metre. The unit is named after Blaise Pascal, the eminent French mathematician, physicist and philosopher.

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