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

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

Why use kilopascal for pressure measurement?

Kilopascal is a common SI unit of pressure suitable for a wide range of practical applications including engineering, meteorology, and laboratory tests.

Can I use this conversion for fluids other than water?

This conversion applies precisely only for pure water at 4°C; fluids with different densities or temperatures may need adjusted conversions.

How to Convert from Foot Water (4°C) [ftAq] to Kilopascal [kPa]

Learn how to convert pressure measurements from foot water (4°C) units to kilopascals using a simple conversion approach, ideal for engineering and scientific applications.

Foot water (4°C) [ftAq]

Kilopascal [kPa]

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Foot water (4°C) [ftAq] to Kilopascal [kPa] Conversion Table

Foot water (4°C) [ftAq]	Kilopascal [kPa]

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

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Foot water (4°C) [ftAq] to Kilopascal [kPa] Conversion Table
Foot water (4°C) [ftAq]	Kilopascal [kPa]

Explore More Pressure Units Converter

What Is This Tool?

This pressure unit converter transforms values measured in foot water (4°C), a unit denoting the hydrostatic pressure of a one-foot water column at 4°C, into kilopascals (kPa), the SI derived unit commonly applied in engineering and meteorology.

How to Use This Tool?

Enter the pressure value measured in foot water (4°C)
Select foot water (4°C) as the source unit
Choose kilopascal (kPa) as the target unit
Click convert to view the equivalent pressure in kilopascals

Key Features

Converts pressure from foot water (4°C) to kilopascal seamlessly
Uses standardized conversion rate between pressure units
Supports applications in water resource management, HVAC, and fluid mechanics
Browser-based tool for quick and easy access

Examples

Convert 5 foot water (4°C): 5 ftAq = 14.9449 kPa
Convert 10 foot water (4°C): 10 ftAq = 29.8898 kPa

Common Use Cases

Specifying hydraulic head and low pressures in water-distribution system designs
Interpreting manometer or gauge readings in HVAC and laboratory settings
Expressing depth-pressure relationships in groundwater and well measurements
Reporting pressures in pneumatic and hydraulic systems using a standardized unit

Tips & Best Practices

Ensure pressure values are based on water at 4°C to maintain accuracy
Use kilopascals for easier communication in international engineering projects
Regularly verify unit selection before conversion to avoid errors
Cross-check converted values with known standards when possible

Limitations

Foot water unit assumes water density at exactly 4°C; deviations affect precision
Kilopascal results apply specifically to pure water columns at this temperature
Conversion may require adjustments for fluids with different properties

Frequently Asked Questions

What does one foot water (4°C) represent?: It represents the hydrostatic pressure exerted by a one-foot column of pure water at 4°C, a standard reference temperature for water density.
Why use kilopascal for pressure measurement?: Kilopascal is a common SI unit of pressure suitable for a wide range of practical applications including engineering, meteorology, and laboratory tests.
Can I use this conversion for fluids other than water?: This conversion applies precisely only for pure water at 4°C; fluids with different densities or temperatures may need adjusted conversions.

Key Terminology

Foot water (4°C) [ftAq]: A pressure unit equal to the hydrostatic pressure from a one-foot column of pure water at 4°C, used for low pressures and hydraulic head.
Kilopascal (kPa): An SI derived unit of pressure equal to 1,000 pascals, commonly used in engineering and meteorology for everyday pressure values.
Hydraulic Head: The height of a water column that produces a specific pressure, often expressed in feet of water for pump and fluid systems.

Quick Knowledge Check

What pressure unit does foot water (4°C) primarily represent?

Pressure from atmospheric air

Hydrostatic pressure from a foot column of water at 4°C

Pressure in kilopascal units

Why is kilopascal widely used in pressure measurements?

It is an SI derived unit fitting common pressure ranges

It measures temperature accurately

It is only for hydraulic system pressures

What limitation affects the accuracy of foot water (4°C) conversions?

Density variations of water with temperature

Inaccuracy in atmospheric pressure readings

Variations in units of length

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