What Is This Tool?
This converter transforms pressure measurements from inch water (60°F), a unit representing small hydrostatic pressures, to ton-force (long) per square foot, a large-scale imperial pressure unit used in engineering and industrial contexts.
How to Use This Tool?
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Enter the pressure value in inch water (60°F) [inAq]
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Select the target unit as ton-force (long)/square foot
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Click the convert button to see the converted pressure value
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Use the results to assist in HVAC system design, structural load calculations, or historical data analysis
Key Features
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Converts pressure values between inch water (60°F) and ton-force (long)/square foot
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Supports pressure units commonly used in HVAC, gas service, heavy industry, and foundation engineering
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Browser-based and easy to use with straightforward input and output
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Provides conversion examples for quick reference
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Useful for interpreting historical engineering data and modern pressure specifications
Examples
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10 Inch water (60°F) [inAq] converts to 0.023201759 Ton-force (long)/square foot
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100 Inch water (60°F) [inAq] converts to 0.23201759 Ton-force (long)/square foot
Common Use Cases
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Measuring low pressure differences in HVAC duct and filter systems
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Setting and interpreting residential gas service regulator pressures
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Estimating bearing pressure for foundations or footings in older engineering documents
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Determining deck load capacity in shipbuilding using imperial units
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Translating historical pressure specifications into SI units
Tips & Best Practices
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Ensure the water temperature is at or near 60°F for accurate inch water pressure readings
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Use this tool for small to moderate pressures; be cautious when converting values outside typical ranges
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Verify the pressure unit context, especially when working with archival engineering documents
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Compare converted results with modern SI measurements when applicable
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Apply conversions carefully in structural calculations to avoid mismatches in pressure scales
Limitations
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Conversion assumes water temperature is exactly 60°F due to density dependency
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Ton-force (long)/square foot is largely used in older or imperial engineering practices, not commonly in contemporary SI-based work
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Differences in pressure magnitude require careful attention since the units span widely different ranges
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Not suitable for conversions involving water temperatures other than 60°F without additional adjustments
Frequently Asked Questions
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Why is inch water (60°F) temperature specified?
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Because the density of water varies with temperature, specifying 60°F ensures consistent hydrostatic pressure measurements.
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What is ton-force (long)/square foot used for?
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It is used to specify large-scale pressures in engineering, such as foundation bearing pressures and deck load capacities, often seen in older imperial contexts.
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Can I use this converter for water temperatures other than 60°F?
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No, this conversion tool assumes a standard water temperature of 60°F and may not be accurate for other temperatures.
Key Terminology
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Inch water (60°F) [inAq]
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A unit of pressure based on the hydrostatic pressure from a 1-inch column of water at 60 degrees Fahrenheit.
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Ton-force (long)/square foot
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A pressure unit representing one long ton-force (2240 pounds-force) applied over one square foot area.
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Hydrostatic pressure
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Pressure exerted by a fluid at equilibrium due to the force of gravity.