Pressure & stress
Pressure, material stress and fluid head.
Try a decimal, 1e-9, 1/3, or 5 1/2.
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Convert millibar (mbar) to millimetre of water, conventional (mmH₂O). Enter a value for an instant result, or use the examples and reverse conversion below.
Pressure, material stress and fluid head.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Enter a millibar value to calculate millimetre of water, conventional with full internal precision before display rounding.
Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.
| Unit | Symbol | Converted value |
|---|---|---|
| pascalfrom mbar | Pa | 100 |
| hectopascalfrom mbar | hPa | 1 |
| kilopascalfrom mbar | kPa | 0.1 |
| megapascalfrom mbar | MPa | 0.0001 |
| gigapascalfrom mbar | GPa | 0.0000001 |
| millibarfrom mbar | mbar | 1 |
| barfrom mbar | bar | 0.001 |
| standard atmospherefrom mbar | atm | 0.000986923 |
| torrfrom mbar | Torr | 0.750062 |
| millimetre of mercuryfrom mbar | mmHg | 0.750062 |
| inch of mercury, conventionalfrom mbar | inHg | 0.02953 |
| millimetre of water, conventionalfrom mbar | mmH₂O | 10.1972 |
| inch of water, conventionalfrom mbar | inH₂O | 0.401463 |
| pound-force per square footfrom mbar | psf | 2.08854 |
| pound-force per square inchfrom mbar | psi | 0.0145038 |
| kilopound-force per square inchfrom mbar | ksi | 0.0000145038 |
| kilogram-force per square centimetrefrom mbar | kgf/cm² | 0.00101972 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
Millibar (mbar) and millimetre of water, conventional (mmH₂O) are units of pressure & stress. Use this page to convert in either direction.
| Millibar (mbar) | Millimetre Of Water, Conventional (mmH₂O) |
|---|---|
| 1 mbar | 10.1972 mmH₂O |
| 5 mbar | 50.9858 mmH₂O |
| 10 mbar | 101.972 mmH₂O |
| 100 mbar | 1019.72 mmH₂O |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.
mmH₂O to mbar (millimetre of water, conventional to millibar)