mmH2O (4°C) to Pascal Converter
Convert mmH2O (4°C) (mmH2O) to Pascal (Pa) instantly. 1 mmH2O = 9.80665 Pa.
Pressure Converter
29 units available
1 mmH2O = 9.80665 Pa
Formula:
Pa = mmH2O × 9.80665With your value: 1 mmH2O = 9.80665 Pa
Other mmH2O (4°C) to Pascal conversions
mmH2O (4°C) to Pascal Conversion Table
| mmH2O (4°C) (mmH2O) | Pascal (Pa) |
|---|---|
| 0.5 | 4.903325 |
| 1 | 9.80665 |
| 2 | 19.6133 |
| 5 | 49.03325 |
| 10 | 98.0665 |
| 15 | 147.09975 |
| 20 | 196.133 |
| 25 | 245.16625 |
| 50 | 490.3325 |
| 100 | 980.665 |
| 250 | 2,451.6625 |
| 500 | 4,903.325 |
| 1000 | 9,806.65 |
Pascal to mmH2O (4°C) Conversion Table
| Pascal (Pa) | mmH2O (4°C) (mmH2O) |
|---|---|
| 0.5 | 0.050986 |
| 1 | 0.101972 |
| 2 | 0.203943 |
| 5 | 0.509858 |
| 10 | 1.019716 |
| 15 | 1.529574 |
| 20 | 2.039432 |
| 25 | 2.549291 |
| 50 | 5.098581 |
| 100 | 10.197162 |
| 250 | 25.492905 |
| 500 | 50.985811 |
| 1000 | 101.971621 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
mmH2O (4°C) (mmH2O)
Pressure
Derived from the pascal (1 Pa = 1 N/m²). The standard atmosphere is exactly 101 325 Pa.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
Pascal (Pa)
Pressure
Derived from the pascal (1 Pa = 1 N/m²). The standard atmosphere is exactly 101 325 Pa.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
How to Convert mmH2O (4°C) to Pascal
To convert from mmH2O (4°C) (mmH2O) to Pascal (Pa), multiply the value by 9.80665.
Formula: Pa = mmH2O × 9.80665
Reverse: mmH2O = Pa × 0.1019716213
Step-by-Step Example
- Start with your value in mmH2O (4°C). For example: 5 mmH2O
- Multiply by the conversion factor: 5 x 9.80665
- The result is: 49.03325 Pa
About mmH2O (4°C)
The mmh2o (4°c) (mmH2O) is a unit of pressure and stress. One mmh2o (4°c) equals 9.80665 pascals. UnitConvertLab converts it against every other pressure unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
Common uses: pressure calculations, engineering and science, education.
About Pascal
The pascal (Pa) is a unit of pressure and stress. One pascal equals 1 pascal. UnitConvertLab converts it against every other pressure unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
Common uses: pressure calculations, engineering and science, education.
Frequently Asked Questions
How many Pascal are in 1 mmH2O (4°C)?
There are exactly 9.80665 Pascal in 1 mmH2O (4°C). This means the conversion factor from mmH2O (4°C) to Pascal is 9.80665.
What is the formula to convert mmH2O (4°C) to Pascal?
The formula to convert mmH2O (4°C) to Pascal is: Pa = mmH2O × 9.80665. For example, to convert 10 mmH2O (4°C) to Pascal, you would multiply 10 by 9.80665.
What is a mmH2O (4°C)?
The mmh2o (4°c) (mmH2O) is a unit of pressure and stress. One mmh2o (4°c) equals 9.80665 pascals. UnitConvertLab converts it against every other pressure unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
What is a Pascal?
The pascal (Pa) is a unit of pressure and stress. One pascal equals 1 pascal. UnitConvertLab converts it against every other pressure unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
What are the common uses of mmH2O (4°C)?
The mmH2O (4°C) is commonly used in pressure calculations, engineering and science, education.
Related Pressure Conversions
Cite this page
UnitConvertLab. (2026). mmH2O (4°C) to Pascal converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/mmh2o-to-pascal