What does one centimeter water (4°C) represent?

It is the hydrostatic pressure exerted by a 1 cm column of pure water at 4°C, commonly used in medical and laboratory pressure measurements.

Why is picopascal used for pressure measurements?

Picopascal is an SI-derived unit equal to 10⁻¹² pascals, ideal for describing extremely low pressures found in scientific research and space environments.

Can this converter be used for any temperature?

Since centimeter water (4°C) is defined at a specific temperature, using it outside that condition may reduce accuracy.

How to Convert from Centimeter Water (4°C) to Picopascal [pPa]

Learn how to convert pressure values from centimeter water (4°C), a common unit in medical and laboratory settings, to picopascal [pPa], used for extremely low pressure measurements in scientific contexts.

Centimeter water (4°C)

Picopascal [pPa]

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Centimeter water (4°C) to Picopascal [pPa] Conversion Table

Centimeter water (4°C)	Picopascal [pPa]

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Start Value

Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.

End Value

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Interval

Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.

Centimeter water (4°C) to Picopascal [pPa] Conversion Table
Centimeter water (4°C)	Picopascal [pPa]

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What Is This Tool?

This unit converter helps you translate pressure measurements from centimeter water (4°C), a unit based on hydrostatic pressure of water at 4°C, into picopascal [pPa], an SI-derived unit suited for describing very low pressure environments.

How to Use This Tool?

Enter the pressure value in centimeter water (4°C) that you want to convert.
Select the output unit as picopascal [pPa].
Click the convert button to see the equivalent pressure in picopascal [pPa].

Key Features

Converts pressure from centimeter water (4°C) to picopascal [pPa] accurately.
Supports pressure values typically used in medical, laboratory, and scientific research fields.
Provides a browser-based, easy-to-use interface for quick unit translation.
Includes example conversions to illustrate usage clearly.

Examples

2 centimeter water (4°C) converts to 196127600000000 picopascal [pPa].
0.5 centimeter water (4°C) converts to 49031900000000 picopascal [pPa].

Common Use Cases

Translating small hydrostatic pressure measurements in respiratory care such as airway and ventilator pressures.
Converting laboratory low-pressure measurements for accurate scientific analysis.
Measuring background and residual gas pressures in vacuum and surface science experiments.
Characterizing extremely low ambient pressures in space science and plasma research.
Calibrating medical devices like chest drains and CPAP/BiPAP equipment.

Tips & Best Practices

Ensure measurements in centimeter water (4°C) are made under controlled temperature conditions for accuracy.
Use this converter to handle very small pressure values when high precision is necessary.
Mind the large conversion factor to avoid numerical errors during calculations.
Confirm the pressure unit context to maintain consistent scientific reporting.

Limitations

The unit centimeter water (4°C) depends on water density at a specific temperature, which affects accuracy if conditions vary.
The large numerical conversion factor requires careful handling to prevent calculation errors.
Not suitable for environments where temperature or fluid density changes significantly impact pressure readings.

Frequently Asked Questions

What does one centimeter water (4°C) represent?: It is the hydrostatic pressure exerted by a 1 cm column of pure water at 4°C, commonly used in medical and laboratory pressure measurements.
Why is picopascal used for pressure measurements?: Picopascal is an SI-derived unit equal to 10⁻¹² pascals, ideal for describing extremely low pressures found in scientific research and space environments.
Can this converter be used for any temperature?: Since centimeter water (4°C) is defined at a specific temperature, using it outside that condition may reduce accuracy.

Key Terminology

Centimeter water (4°C): A non-SI pressure unit representing pressure from a 1 cm water column at 4°C, used in medical and laboratory settings.
Picopascal (pPa): An SI-derived pressure unit equal to 10⁻¹² pascals, used for measuring extremely low pressures in scientific contexts.
Hydrostatic pressure: Pressure exerted by a fluid at equilibrium due to the force of gravity, such as water in a column.

Quick Knowledge Check

What physical quantity does centimeter water (4°C) measure?

Force

Pressure

Temperature

What is the scale factor between centimeter water (4°C) and picopascal?

1 centimeter water (4°C) = 98063800000000 pPa

1 centimeter water (4°C) = 1000000 pPa

1 centimeter water (4°C) = 1000 pPa

In which contexts is picopascal commonly used?

Measuring body temperature

Describing extremely low gas pressures in scientific experiments

Measuring loudness of sound

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