What does 1 pascal represent?

One pascal is the pressure resulting from one newton of force applied over one square meter.

Why is millimeter water measured at 4°C?

Because water has its maximum density at 4°C, making hydrostatic pressure measurements consistent.

Can this conversion be used for high-pressure applications?

It is best suited for low-pressure measurements; for high pressures, pascals or units like kPa or MPa are preferred.

Pascal to Millimeter Water (4°C) Pressure Converter

Convert pressure values from pascals (Pa) to millimeter water at 4°C using our easy-to-use online unit converter, ideal for low-pressure measurements in HVAC, laboratories, and plumbing applications.

Pascal [Pa]

Millimeter water (4°C)

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

Pascal [Pa] to Millimeter water (4°C) Conversion Table

Pascal [Pa]	Millimeter 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.

Pascal [Pa] to Millimeter water (4°C) Conversion Table
Pascal [Pa]	Millimeter water (4°C)

Explore More Pressure Units Converter

What Is This Tool?

This tool converts pressure from pascals (Pa), a standard SI unit of pressure, to millimeter water at 4°C, a unit representing very small pressures based on the hydrostatic pressure of a water column at maximum density temperature.

How to Use This Tool?

Enter the pressure value in pascals (Pa) you wish to convert.
Select pascal as the input unit and millimeter water (4°C) as the output unit.
Click the convert button to obtain the result in millimeter water (4°C).

Key Features

Converts pressure values between pascals and millimeter water (4°C) instantly.
Supports applications in meteorology, engineering, HVAC, and laboratory experiments.
Browser-based tool requiring no installation, accessible on any device.

Examples

10 Pa converts to approximately 1.0197 mm water (4°C).
50 Pa converts to approximately 5.0987 mm water (4°C).

Common Use Cases

Measuring static pressure in HVAC systems and cleanroom differentials.
Calibrating low-range pressure sensors in laboratory settings.
Specifying small pressure drops in plumbing and filtration systems.

Tips & Best Practices

Ensure the temperature is around 4°C for accurate millimeter water measurements.
Apply this conversion mainly for low pressure values where small pressures are significant.
Use pascals or larger units like kPa or MPa for higher pressure ranges.

Limitations

Millimeter water (4°C) depends on water density at 4°C and standard gravity, which may vary.
Conversions are most relevant for low pressures and may be less practical for high-pressure contexts.

Frequently Asked Questions

What does 1 pascal represent?: One pascal is the pressure resulting from one newton of force applied over one square meter.
Why is millimeter water measured at 4°C?: Because water has its maximum density at 4°C, making hydrostatic pressure measurements consistent.
Can this conversion be used for high-pressure applications?: It is best suited for low-pressure measurements; for high pressures, pascals or units like kPa or MPa are preferred.

Key Terminology

Pascal (Pa): The SI derived unit of pressure defined as one newton per square meter.
Millimeter water (4°C): A unit of pressure representing the hydrostatic pressure exerted by a 1 mm column of water at 4 °C under standard gravity.

Quick Knowledge Check

What unit does the tool convert from?

Millimeter water (4°C)

Pascal [Pa]

Kilopascal (kPa)

At what temperature is millimeter water measured for this conversion?

25°C

4°C

0°C

Which application best uses this conversion?

Measuring atmospheric pressure

Calibrating low-range pressure sensors

Measuring high hydraulic pressures

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