# Convert Millimetre of water column [mmH2O] to...

Millimetre of water column | |
---|---|

Unit system | metric |

Unit of | pressure |

Symbol | mmH2O |

Unit conversions | |

1 mmH2O in ... |
... is equal to ... |

SI units | 9.80638 Pa |

Imperial/US unit(s) | 0.0014223 psi |

Other unit(s) | 0.098064 mbar |

**I want to convert:**
**using**

Metric | Conversion |
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Gigapascal [GPa] | |

Megapascal [MPa] | |

Kilopascal [kPa] | |

Pascal [Pa] | |

Kilogram-force per square centimetre [kgf/cm²] | |

Kilogram-force per square metre [kgf/m²] | |

Millibar [mbar] | |

Bar |

Avoirdupois (U.S.) | Conversion |
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Kilopound per square inch [kpsi] | |

Pound per square inch [psi] | |

Pound per square foot [psf] |

Water | Conversion |
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Metre of water [mH2O] | |

Centimetre of water [cmH2O] | |

Millimetre of water [mmH2O] | |

Foot of water [ftH2O] | |

Inch of water [inH2O] |

Atmosphere | Conversion |
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Standard atmosphere [atm] | |

Technical atmosphere [at] |

Mercury | Conversion |
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Millimetre of mercury [mmHg] | |

Inch of mercury [inHg] | |

Torr |

Millimeters, water gauge, also known as **millimetres water** or **millimetres water column** and abbreviated to mm wg, mm H2O or mm wc respectively, is a unit of pressure.

It is the pressure required to support a water column of the specified height (sometimes called 'head' of water). It is equivalent to 9.80665 Pa.

This article uses material from the Wikipedia article "Millimeters, water gauge", which is released under the Creative Commons Attribution-Share-Alike License 3.0.