Millimeters of Water to Pascals Converter

1 mmH2O = 9.80665 Pa. Type any value below for the exact pascals figure.

mmH2O
9.80665Pa

1 mmH2O = 9.80665 Pa

Conversion summary

1 mmH2O = 9.80665 Pa

Formula
Pascal = Millimeter of Water × 9.80665
Category
Pressure
Units
mmH2O → Pa

1 mmH2O in other units

Values update with the converter above. Select a row to open that conversion's detailed page.

  • Pascal9.80665 Pa
  • Kilopascal0.00980665 kPa
  • Megapascal0.00000980665 MPa
  • Hectopascal0.0980665 hPa
  • Bar0.0000980665 bar
  • Millibar0.0980665 mbar
  • Atmosphere0.00009678411 atm
  • Technical atmosphere0.0001 at
  • PSI0.001422334 psi
  • Millimeter of mercury0.07355591 mmHg
  • Torr0.07355592 Torr
  • Kilogram-force per square centimeter0.0001 kgf/cm²

How do you convert millimeters of water to pascals?

To convert millimeters of water to pascals, multiply the number of millimeters of water by 9.80665. 1 mmH2O = 9.80665 Pa.

Conversion formula

Pascal = Millimeter of Water × 9.80665

Millimeters of Water to pascals conversion table

Millimeters of Water (mmH2O)Pascals (Pa)
1 mmH2O9.80665 Pa
10 mmH2O98.0665 Pa
50 mmH2O490.332 Pa
100 mmH2O980.665 Pa
500 mmH2O4,903.32 Pa
1,000 mmH2O9,806.65 Pa

What is Millimeter of Water?

Millimeter of Water is a pressure unit used to express mechanical, atmospheric or process pressure values.

Short history of Millimeter of Water

A millimeter of water is the pressure of a 1 mm column of water. It is used for small pressures in ventilation, chimneys and gas installations.

Open the Millimeter of Water unit guide

What is Pascal?

The pascal is the SI derived unit of pressure. It is defined by the relationship 1 Pa = 1 N/m².

Short history of Pascal

Named after Blaise Pascal, the unit became the standard SI reference for pressure across science and engineering.

Open the Pascal unit guide

Frequently asked questions

What is 1 Millimeter of Water in Pascal?

1 mmH2O = 9.80665 Pa.

How do you convert Millimeter of Water to Pascal?

To convert millimeters of water to pascals, multiply the number of millimeters of water by 9.80665. 1 mmH2O = 9.80665 Pa.

Frequently asked questions

How many pascals are in 1 millimeter of water?

1 mmH2O = 9.80665 Pa.

How do you convert millimeters of water to pascals?

To convert millimeters of water to pascals, multiply the number of millimeters of water by 9.80665. 1 mmH2O = 9.80665 Pa.

How many millimeters of water are in 1 pascal?

1 Pa = 0.101972 mmH2O.

Sources

  1. BIPM: The International System of Units (SI Brochure)
  2. NIST: Pressure and Gas Flow Unit Conversions
  3. NIST: Guide to the SI — Conversion Factors

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