What does a decipascal measure?

A decipascal (dPa) measures very small pressure values and is one tenth of a pascal, used for low magnitude pressure differences.

Why use centimeter water (4°C) as a pressure unit?

Centimeter water (4°C) represents hydrostatic pressure from a one-centimeter column of water at four degrees Celsius, often used in medical and laboratory pressure measurements.

Is the conversion exact between decipascal and centimeter water (4°C)?

The conversion is approximate due to centimeter water depending on water density at 4°C, so temperature and rounding affect exactness.

How to Convert from Decipascal [dPa] to Centimeter Water (4°C)

Easily convert pressure values from decipascal (dPa) to centimeter water (4°C) using this precise unit converter. Understand the usage, formula, and typical applications in medical and laboratory settings.

Decipascal [dPa]

Centimeter water (4°C)

Please check your input. It must be a valid numeric value.

Decipascal [dPa] to Centimeter water (4°C) Conversion Table

Decipascal [dPa]	Centimeter water (4°C)

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

Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.

Interval

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

Decipascal [dPa] to Centimeter water (4°C) Conversion Table
Decipascal [dPa]	Centimeter water (4°C)

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What Is This Tool?

This tool allows you to convert pressure measurements from decipascal (dPa) to centimeter water at 4°C, facilitating the interpretation of very small pressure values in practical units used in medicine and laboratories.

How to Use This Tool?

Enter the pressure value in decipascal (dPa)
Select decipascal as the input unit and centimeter water (4°C) as the output unit
Click the convert button to see the equivalent pressure in centimeter water (4°C)

Key Features

Converts decipascal values to centimeter water (4°C) with a clear conversion formula
Supports pressure units commonly used in acoustic sensing and respiratory care
Browser-based and easy to use without additional installations
Displays examples to help understand conversion results

Examples

10 dPa converts to 0.010197443 cm H₂O
100 dPa converts to 0.10197443 cm H₂O

Common Use Cases

Expressing very small sound pressure levels and acoustic sensor outputs
Reporting airway and ventilator pressures in respiratory care
Measuring small hydrostatic pressures in laboratory and cleanroom environments
Calibrating and specifying pressure settings for medical devices such as chest drains and CPAP machines

Tips & Best Practices

Always note the temperature dependency of centimeter water (4°C) when interpreting results
Use this converter for applications involving fine resolution pressure measurement below 1 pascal
Refer to the unit definitions to understand the physical meaning of each measurement
Verify measurement conditions when converting to ensure compatibility, especially in clinical contexts

Limitations

Centimeter water (4°C) is a non-SI unit based on water density at 4°C, so its equivalence is approximate
Temperature variations can affect the accuracy of conversions using centimeter water units
Decipascal measures very small pressure increments, so rounding may impact precision when converting
This tool does not account for environmental factors that may influence pressure readings

Frequently Asked Questions

What does a decipascal measure?: A decipascal (dPa) measures very small pressure values and is one tenth of a pascal, used for low magnitude pressure differences.
Why use centimeter water (4°C) as a pressure unit?: Centimeter water (4°C) represents hydrostatic pressure from a one-centimeter column of water at four degrees Celsius, often used in medical and laboratory pressure measurements.
Is the conversion exact between decipascal and centimeter water (4°C)?: The conversion is approximate due to centimeter water depending on water density at 4°C, so temperature and rounding affect exactness.

Key Terminology

Decipascal (dPa): A unit of pressure equal to one tenth of a pascal, used for measuring very small pressure magnitudes.
Centimeter water (4°C): A pressure unit based on the hydrostatic pressure from a 1 cm column of water at 4 degrees Celsius.
Hydrostatic pressure: Pressure exerted by a fluid at equilibrium due to the force of gravity.

Quick Knowledge Check

What is one decipascal equal to?

One tenth of a pascal

One pascal

Ten pascals

Centimeter water (4°C) is based on the pressure produced by a column of water how tall?

One meter

One centimeter

One millimeter

In which setting is converting between decipascal and centimeter water commonly used?

Acoustic sensor calibration

Measuring atmospheric pressure outdoors

Calculating the speed of sound

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