Why is the centimeter water unit temperature dependent?

Because it represents the pressure of a water column whose density changes with temperature, the conventional definition is based on water at 4°C, where it has maximum density.

What makes decipascal suitable for small pressure measurements?

Decipascal is one tenth of a pascal, allowing for very fine resolution of small pressure values commonly needed in acoustic, laboratory, and precision measurements.

Can this conversion be used for all temperature conditions?

No, since centimeter water is defined at 4°C, temperature variations can affect accuracy, so it is best used under or adjusted for those conditions.

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

Learn to convert pressure from centimeter water (4°C), a unit used mainly in medical and laboratory settings, to decipascal (dPa), a precise SI-derived unit ideal for small pressure measurements.

Centimeter water (4°C)

Decipascal [dPa]

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

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

Centimeter water (4°C)	Decipascal [dPa]

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.

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

Explore More Pressure Units Converter

What Is This Tool?

This unit converter transforms pressure values from centimeter water (4°C), a unit representing hydrostatic pressure of water at 4°C, into decipascals, which measure small pressure magnitudes with high precision. It supports applications in medical care, laboratory research, and acoustic sensor calibration.

How to Use This Tool?

Enter the pressure value measured in centimeter water (4°C).
Select the unit 'centimeter water (4°C)' as the input unit.
Choose 'decipascal [dPa]' as the output unit.
Click the convert button to obtain the equivalent pressure in decipascal.
Review the converted value for use in medical, laboratory, or technical applications.

Key Features

Converts pressure values from centimeter water (4°C) to decipascal (dPa).
Supports measurement of small pressure differences used in respiratory care and laboratories.
Uses standard conversion based on water density at 4°C (1 cm water = 980.638 dPa).
Enables precise expression of low pressures compatible with SI-derived units.
Browser-based and easy to use for quick pressure unit conversions.

Examples

2 centimeter water (4°C) equals 1961.276 decipascal (dPa).
0.5 centimeter water (4°C) equals 490.319 decipascal (dPa).

Common Use Cases

Reporting airway and ventilator pressures such as peak inspiratory pressure in respiratory care.
Measuring small hydrostatic pressures using manometers and low-pressure sensors in laboratory experiments.
Setting pressure or suction levels for medical equipment like chest drains and CPAP/BiPAP devices.
Calibrating and specifying acoustic sensors where fine pressure increments are required.
Characterizing gas flow or vacuum pressures with high precision in research contexts.

Tips & Best Practices

Ensure measurements are taken near 4°C to maintain accuracy due to water density dependence.
Use sensitive instruments when working with decipascal units to detect small pressure variations.
Account for environmental factors such as temperature and humidity that might affect pressure readings.
Apply the conversion in contexts requiring fine resolution of small pressure differences.
Validate converted data when used for medical or scientific decision-making to ensure reliability.

Limitations

The centimeter water unit depends on temperature and is based on water density at exactly 4°C.
Accurate decipascal measurements require precise and sensitive sensors.
Conversion assumes ideal conditions and may be affected by environmental variables like humidity.
The tool does not account for temperature deviations from the 4°C baseline, impacting pressure equivalency.

Frequently Asked Questions

Why is the centimeter water unit temperature dependent?: Because it represents the pressure of a water column whose density changes with temperature, the conventional definition is based on water at 4°C, where it has maximum density.
What makes decipascal suitable for small pressure measurements?: Decipascal is one tenth of a pascal, allowing for very fine resolution of small pressure values commonly needed in acoustic, laboratory, and precision measurements.
Can this conversion be used for all temperature conditions?: No, since centimeter water is defined at 4°C, temperature variations can affect accuracy, so it is best used under or adjusted for those conditions.

Key Terminology

Centimeter water (4°C): A non‑SI pressure unit equal to the hydrostatic pressure from a 1 cm height column of water at 4°C.
Decipascal (dPa): A derived SI pressure unit equal to one tenth of a pascal, used to express very small pressure values.
Pressure: Force applied per unit area, measured in units such as pascals, decipascals, or centimeter water.

Quick Knowledge Check

What does 1 centimeter water (4°C) represent?

Pressure from a 1 cm mercury column

Pressure from a 1 cm water column at 4°C

One tenth of a pascal

Which unit equals 1/10 of a pascal?

Centimeter water (4°C)

Decipascal (dPa)

Pascal (Pa)

Why is it important to consider temperature in this conversion?

Because water density changes with temperature

Because decipascal changes with temperature

Because pressure units never depend on temperature

Share Us

Similar Calculators

Online Thermal Resistance Units Converter Online Surface Current Density Units Converter Online Volume Units Converter Online Volume Dry Units Converter Online Weight and Mass Units Converter