What does centipascal measure?

Centipascal (cPa) is an SI-derived unit that measures very small pressure values, equal to one hundredth of a pascal.

What is foot water (4°C) used for?

Foot water (4°C) expresses pressure as the hydrostatic pressure from a one-foot column of water at 4°C, useful for hydraulic head and low-pressure measurements.

Can I use this converter for large pressure values?

This conversion is not ideal for large pressures due to the very small conversion factor, which may lead to rounding errors.

Convert Centipascal [cPa] to Foot Water (4°C) [ftAq] Online

Easily convert pressure values from centipascal (cPa) to foot water (4°C) (ftAq) using our precise online converter. Understand the relationship between these units for practical applications in fluid systems and environmental engineering.

Centipascal [cPa]

Foot water (4°C) [ftAq]

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

Centipascal [cPa] to Foot water (4°C) [ftAq] Conversion Table

Centipascal [cPa]	Foot water (4°C) [ftAq]

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.

Centipascal [cPa] to Foot water (4°C) [ftAq] Conversion Table
Centipascal [cPa]	Foot water (4°C) [ftAq]

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What Is This Tool?

This tool allows you to convert pressure measurements from centipascal (cPa), a unit used for very small pressures, into foot water (4°C) (ftAq), which expresses pressure as the height of a water column at 4°C. It is ideal for translating microscopic pressure readings into relevant hydraulic head values.

How to Use This Tool?

Enter the pressure value in centipascal (cPa).
Select centipascal as the input unit and foot water (4°C) as the output unit.
Click the convert button to see the equivalent pressure in foot water (4°C).

Key Features

Converts centipascal (cPa) to foot water (4°C) (ftAq) accurately.
Browser-based and easy to use with no software installation required.
Supports applications in scientific, environmental, and engineering contexts.
Provides quick results for practical low-pressure conversions.

Examples

Convert 10 cPa to ftAq: 10 × 0.0000033456229215318 = 0.000033456229215318 ftAq
Convert 500 cPa to ftAq: 500 × 0.0000033456229215318 = 0.0016728114607659 ftAq

Common Use Cases

Reporting very small pressure differences in microfluidics and low-pressure gas-flow experiments.
Calibrating sensitive differential-pressure sensors in HVAC and filtration systems.
Assessing hydraulic head and low pressures in pump and water-distribution system design.
Interpreting manometer readings in laboratory and fluid instrumentation work.
Monitoring static head or pressure-depth relationships in groundwater studies.

Tips & Best Practices

Use this conversion to understand low-pressure sensor outputs in terms of water column height.
Ensure water temperature is close to 4°C when applying foot water (4°C) units for best relevance.
Avoid converting very large pressures with this unit pairing to reduce rounding limitations.
Calibrate your pressure sensors regularly to maintain precision when measuring small differentials.

Limitations

Foot water (4°C) assumes pure water at 4°C; variations in temperature or water quality can affect accuracy.
Conversion factors produce very small numbers, which may be impractical for large pressures.
Measurement precision and sensor sensitivity restrict how well centipascal and foot water units can be interconverted in practice.

Frequently Asked Questions

What does centipascal measure?: Centipascal (cPa) is an SI-derived unit that measures very small pressure values, equal to one hundredth of a pascal.
What is foot water (4°C) used for?: Foot water (4°C) expresses pressure as the hydrostatic pressure from a one-foot column of water at 4°C, useful for hydraulic head and low-pressure measurements.
Can I use this converter for large pressure values?: This conversion is not ideal for large pressures due to the very small conversion factor, which may lead to rounding errors.

Key Terminology

Centipascal (cPa): An SI-derived pressure unit equal to 0.01 pascal, used for very small pressure measurements.
Foot Water (4°C) (ftAq): A pressure unit representing the hydrostatic pressure exerted by a 1-foot column of pure water at 4°C.
Hydraulic Head: The height of a column of fluid, often water, that corresponds to a specific pressure.

Quick Knowledge Check

What is the relation of 1 centipascal to pascal?

1 cPa = 100 Pa

1 cPa = 0.01 Pa

1 cPa = 1 Pa

What does foot water (4°C) represent?

Pressure from a column of water at 4°C with 1-foot height

Pressure from a column of mercury

Pressure equal to one pascal

Why might the foot water (4°C) conversion be limited?

It assumes pure water at 4°C which may vary in temperature or composition

It works only for high pressure values

It is a non-standard unit

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