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

It represents the hydrostatic pressure from a 1-foot column of pure water at 4°C, a standard reference temperature for water density.

Why convert foot water to pascals?

Because pascal is the SI unit for pressure, converting to it standardizes measurements for engineering, scientific, and regulatory applications.

Can I use this conversion for fluids other than water?

No, this unit is based on pure water density at 4°C, so using it for other fluids may result in incorrect pressure values.

How to Convert from Foot water (4°C) [ftAq] to Pascal [Pa]

Convert pressure values from foot water (4°C), a hydrostatic pressure unit based on water density at 4°C, to the SI unit pascal (Pa) for engineering, scientific, and regulatory purposes.

Foot water (4°C) [ftAq]

Pascal [Pa]

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

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

Foot water (4°C) [ftAq]	Pascal [Pa]

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.

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

Explore More Pressure Units Converter

What Is This Tool?

This converter transforms pressure measurements from foot water (4°C), which represents the pressure from a 1-foot column of water at 4°C, into pascals (Pa), the standard SI unit of pressure used in multiple scientific and engineering disciplines.

How to Use This Tool?

Enter the pressure value expressed in foot water (4°C).
Select the units 'foot water (4°C) [ftAq]' as the source unit.
Choose 'pascal [Pa]' as the target unit for conversion.
Click the convert button to obtain the equivalent pressure in pascals.

Key Features

Converts pressures from foot water (4°C) to pascal units accurately using a fixed conversion rate.
Useful for applications in hydraulics, groundwater measurement, HVAC, and fluid instrumentation.
Browser-based and easy to use with straightforward input and output.

Examples

3 foot water (4°C) equals 8966.94 Pa based on the conversion factor.
0.5 foot water (4°C) converts to approximately 1494.49 Pa.

Common Use Cases

Calculating hydraulic head pressures for pump and water-distribution system design.
Converting manometer or gauge readings between head and pressure in laboratory and HVAC applications.
Analyzing static head or depth-pressure relationships in groundwater and well measurements.
Applying pressure data in engineering calculations aligned with SI unit requirements.

Tips & Best Practices

Ensure the temperature of water corresponds to 4°C for accurate foot water pressure values.
Use this conversion for low pressure ranges related to hydrostatic heads.
Confirm consistent units and temperature references before integrating converted pressures into systems.
Avoid applying this unit for very high pressures or non-aqueous fluids.

Limitations

The foot water (4°C) unit assumes water density strictly at 4°C; temperature deviations affect accuracy.
Not suitable for measuring very high pressures or pressures in fluids other than pure water.
Users must maintain temperature consistency for valid conversions.

Frequently Asked Questions

What does one foot water (4°C) represent?: It represents the hydrostatic pressure from a 1-foot column of pure water at 4°C, a standard reference temperature for water density.
Why convert foot water to pascals?: Because pascal is the SI unit for pressure, converting to it standardizes measurements for engineering, scientific, and regulatory applications.
Can I use this conversion for fluids other than water?: No, this unit is based on pure water density at 4°C, so using it for other fluids may result in incorrect pressure values.

Key Terminology

Foot water (4°C) [ftAq]: A pressure unit representing hydrostatic pressure from a 1-foot column of water at 4°C, used for expressing low pressures or hydraulic head.
Pascal [Pa]: The SI derived unit of pressure, equal to one newton per square meter, used to quantify pressure and stress in fluids and solids.
Hydraulic head: The height of a water column that produces pressure at its base, frequently expressed in feet of water.

Quick Knowledge Check

What does foot water (4°C) measure?

Air pressure based on temperature

Hydrostatic pressure from a 1-foot water column at 4°C

Mechanical stress on solids

Which unit is the standard SI unit for pressure?

Foot water (4°C)

Pascal

Manometer

When should you avoid using foot water (4°C)?

For low-pressure measurements related to water columns

For very high pressures or non-aqueous fluids

For temperature exactly at 4°C

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