Pressure converter
Millimeter of Water to Standard Atmosphere Converter
Converts millimeter of water to standard atmosphere for pressure.
Result
1 mmH2O = 0.000097 atm
Also equals
Conversion formula
atm = mmH2O × 0.00009678150841351 millimeter of water equals 0.000096781508 standard atmosphere.
Millimeter of Water to Standard Atmosphere table
| Millimeter of Water (mmH2O) | Standard Atmosphere (atm) |
|---|---|
| 1 | 0.000097 |
| 10 | 0.000968 |
| 100 | 0.009678 |
| 200 | 0.019356 |
| 300 | 0.029034 |
| 500 | 0.048391 |
| 1,000 | 0.096782 |
| 2,000 | 0.193563 |
| 5,000 | 0.483908 |
| 10,000 | 0.967815 |
| 100,000 | 9.678151 |
About this conversion
This converter uses the displayed definition for millimeter of water and its recognized relationship to standard atmosphere. Calculations retain full precision internally, and only the visible result is rounded. You can swap the conversion direction without changing the underlying standard.
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Frequently asked questions
How do I convert millimeter of waters to standard atmospheres?+
Enter the millimeter of waters value in the converter. The result uses the defined factor 0.0000967815084135 and is rounded only for display.
Does the converter keep full precision?+
Yes. Calculations retain high precision throughout each step, while the visible result is rounded for readability.
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