What Is This Tool?
This online converter transforms pressure measurements from inch water (60°F) [inAq], a small pressure unit based on hydrostatic pressure at a specific temperature, to pound-force per square inch (psi), a common imperial pressure unit widely used in engineering and daily applications.
How to Use This Tool?
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Enter the pressure value in inch water (60°F)
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Select inch water (60°F) as the input unit
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Choose pound-force per square inch as the output unit
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Click the convert button to get the result in psi
Key Features
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Converts inch water (60°F) pressure values to pound-force per square inch (psi)
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User-friendly interface for quick and accurate conversions
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Browser-based tool accessible without installation
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Supports pressure units relevant to HVAC, gas service, and industrial contexts
Examples
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Converting 10 inch water (60°F) results in approximately 0.360916258 psi
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Converting 25 inch water (60°F) yields about 0.902290645 psi
Common Use Cases
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Measuring duct and filter pressure drops in HVAC systems
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Specifying low pressure in residential gas service and regulator settings
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Reading manometers and differential-pressure sensors for ventilation and cleanroom control
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Automotive tire pressure ratings and gauges
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Hydraulic and pneumatic system pressure specifications
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Pressure readings for compressed-gas cylinders and air compressors
Tips & Best Practices
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Ensure input values are measured at or near 60°F when using inch water units due to temperature dependence
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Use the tool for low-pressure conversions since inch water represents very small pressure differences
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Cross-check converted values with instrumentation specifications for accuracy
Limitations
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Inch water (60°F) measurements depend on water temperature because water density changes with temperature
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Converting to psi involves scaling very small pressure units to larger ones, which may challenge measurement precision
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The tool assumes water at exactly 60°F for conversions involving inch water units
Frequently Asked Questions
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What does inch water (60°F) measure?
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It measures the hydrostatic pressure exerted by a 1-inch column of water at 60°F, often used for very small pressure differences.
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Why is the temperature 60°F important for inch water units?
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Because water density varies with temperature, specifying 60°F ensures consistent pressure measurements based on that water density.
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Where is pound-force per square inch commonly used?
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Pound-force per square inch is used widely in engineering fields including automotive tire pressure, hydraulic and pneumatic systems, and compressed gas equipment.
Key Terminology
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Inch water (60°F) [inAq]
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A unit of pressure equal to the hydrostatic pressure from a 1-inch column of water at 60°F, used for small pressure measurements.
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Pound-force per square inch (psi)
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An imperial pressure unit representing one pound-force applied to an area of one square inch, commonly used in engineering and industry.
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Hydrostatic pressure
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Pressure exerted by a fluid due to gravity at a given depth or height.