What does millimeter water (4°C) measure?

It measures the hydrostatic pressure exerted by a 1 mm column of pure water at 4 °C under standard gravity, representing very small pressures.

Where is pound-force per square foot commonly used?

It is widely used in US customary engineering contexts to specify surface loads and pressures such as building floor loads and wind pressure.

Can this converter be used for high pressure values?

No, the millimeter water (4°C) unit is suitable only for very low-pressure measurements and relies on specific conditions.

How to Convert from Millimeter Water (4°C) to Pound-force/square foot

Easily convert pressure values from millimeter water at 4°C to pound-force per square foot using this straightforward online conversion tool designed for precise low-pressure measurements and US customary engineering applications.

Millimeter water (4°C)

Pound-force/square foot

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

Millimeter water (4°C) to Pound-force/square foot Conversion Table

Millimeter water (4°C)	Pound-force/square foot

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.

Millimeter water (4°C) to Pound-force/square foot Conversion Table
Millimeter water (4°C)	Pound-force/square foot

Explore More Pressure Units Converter

What Is This Tool?

This converter facilitates the transformation of pressure measurements expressed in millimeter water at 4°C into pound-force per square foot values. It is ideal for translating very small hydrostatic pressures into units commonly used in US customary engineering fields.

How to Use This Tool?

Enter the pressure value in millimeter water (4°C).
Select pound-force per square foot as the target unit.
Click convert to obtain the pressure in pound-force per square foot.

Key Features

Converts pressure units between millimeter water (4°C) and pound-force per square foot.
Browser-based and easy to use without needing additional software.
Supports applications in HVAC, structural engineering, and fluid mechanics environments.

Examples

Converting 5 millimeter water (4°C) results in approximately 1.024 pound-force per square foot.
Converting 10 millimeter water (4°C) results in approximately 2.048 pound-force per square foot.

Common Use Cases

Measuring low pressure differences in HVAC systems and cleanroom environments.
Calibrating and specifying low-range pressure sensors in laboratory experiments.
Specifying building loads such as floor live loads and roof snow loads in structural design.
Expressing wind pressures on exterior walls and roofs following US customary codes.

Tips & Best Practices

Ensure temperature conditions are close to 4°C for accurate millimeter water pressure readings.
Use this converter primarily for low-pressure measurements where small hydrostatic heads are involved.
Confirm units when applying pressure values in different engineering standards to avoid misinterpretation.

Limitations

Millimeter water (4°C) measurements depend on precise temperature and standard gravity settings.
This unit is intended for very low-pressure readings and may not apply to higher pressure ranges.
Pound-force per square foot is specific to US customary units and is not standard in SI-based international contexts.

Frequently Asked Questions

What does millimeter water (4°C) measure?: It measures the hydrostatic pressure exerted by a 1 mm column of pure water at 4 °C under standard gravity, representing very small pressures.
Where is pound-force per square foot commonly used?: It is widely used in US customary engineering contexts to specify surface loads and pressures such as building floor loads and wind pressure.
Can this converter be used for high pressure values?: No, the millimeter water (4°C) unit is suitable only for very low-pressure measurements and relies on specific conditions.

Key Terminology

Millimeter water (4°C): A pressure unit defined by the hydrostatic pressure from a 1 mm column of pure water at 4 °C under standard gravity.
Pound-force per square foot: A pressure unit representing one pound-force evenly distributed over an area of one square foot, common in US customary engineering.
Hydrostatic Pressure: The pressure exerted by a fluid at equilibrium due to the force of gravity.

Quick Knowledge Check

What is millimeter water (4°C) primarily used to measure?

High-pressure industrial systems

Very small pressures related to hydrostatic heads

Electrical resistance

In which system is pound-force per square foot mainly utilized?

Metric SI units

US customary units

Imperial thermal units

What must be true for accurate millimeter water (4°C) readings?

Temperature should be near 4°C

Pressure should exceed 100 pascals

Humidity must be above 80%

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