What Is This Tool?
This unit converter transforms pressure values measured in foot water (60°F) [ftAq], representing the hydrostatic pressure from a one-foot column of water at 60°F, into pound-force per square inch (psi), a common imperial pressure unit. It assists in interpreting low-pressure hydrostatic measurements across various fields.
How to Use This Tool?
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Enter the pressure value in foot water (60°F) [ftAq]
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Select the target unit as pound-force/square inch (psi)
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Click convert to see the equivalent pressure in psi
Key Features
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Converts foot water (60°F) pressure values directly to psi
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Browser-based tool requiring no installation
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Supports applications in HVAC, hydraulics, and automotive systems
Examples
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5 ftAq equals 2.1655 psi
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10 ftAq equals 4.3310 psi
Common Use Cases
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Measuring low-pressure differences in HVAC and ventilation systems
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Specifying low gas and fluid pressures in regulators and leak tests
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Expressing hydraulic head or pressure drops in pumps and filters
Tips & Best Practices
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Use the converter for pressure readings related to water at 60°F
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Apply this tool in low-pressure ranges for accurate interpretation
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Cross-check converted values when precision is critical due to approximation limits
Limitations
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Conversion strictly applies to water at 60°F; other temperatures or fluids affect accuracy
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Foot water units are intended for low-pressure scenarios only
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Conversion constants are approximations and may be influenced by environmental factors
Frequently Asked Questions
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What does foot water (60°F) [ftAq] represent?
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It represents the hydrostatic pressure caused by a one-foot column of pure water at 60°F under normal gravity conditions.
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In which applications is psi commonly used?
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Psi is widely used in automotive tire pressure, hydraulic and pneumatic systems, and compressed-gas cylinder pressure measurements.
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Can this conversion be used for fluids other than water?
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No, the conversion is valid only for water at 60°F since different fluids or temperatures alter pressure values.
Key Terminology
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Foot water (60°F) [ftAq]
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A pressure unit equal to the hydrostatic pressure exerted by a 1-foot column of pure water at 60°F under standard gravity.
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Pound-force per square inch (psi)
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An imperial pressure unit defined as one pound-force applied to an area of one square inch.
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Hydrostatic pressure
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Pressure exerted by a fluid due to its weight when at rest.