What Is This Tool?
This tool converts pressure measurements from ton-force (short) per square foot, a customary unit indicating concentrated load, to foot water (4°C), a unit expressing pressure as the height of a water column at 4°C.
How to Use This Tool?
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Enter the pressure value in ton-force (short) per square foot
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Select the desired output unit as foot water (4°C) [ftAq]
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Click convert to get the equivalent pressure value
Key Features
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Easy conversion between ton-force (short)/sq. foot and foot water (4°C) [ftAq]
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Browser-based and user-friendly interface
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Supports pressure conversion relevant to engineering and hydraulic applications
Examples
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2 ton-force (short)/sq. foot converts to approximately 64.0757 foot water (4°C) [ftAq]
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0.5 ton-force (short)/sq. foot converts to approximately 16.019 foot water (4°C) [ftAq]
Common Use Cases
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Translating high-pressure loads in customary units to hydraulic head values
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Analyzing bearing pressures in civil and geotechnical engineering
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Interpreting pressure heads and manometer readings in fluid instrumentation
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Designing pumps and water-distribution systems using hydraulic pressure in feet of water
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Expressing static head or groundwater pressure in well measurements
Tips & Best Practices
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Ensure pressure values are entered accurately in ton-force (short)/sq. foot before conversion
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Consider the temperature dependency when using foot water (4°C) as pressure reference
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Use this conversion for approximate values in customary unit contexts
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Account for possible variations in water purity and temperature in precise hydraulic calculations
Limitations
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Ton-force (short)/sq. foot is a non-SI unit mainly used in older or customary systems
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Foot water (4°C) pressure depends on water temperature and density assumptions
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Conversion accuracy can be affected by variations in water temperature or purity
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Not suitable for calculations requiring strict SI units or high precision without adjustment
Frequently Asked Questions
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What does ton-force (short)/sq. foot measure?
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It is a pressure unit representing one short ton-force applied over one square foot, commonly used in load and bearing pressure specifications.
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Why use foot water (4°C) as a pressure unit?
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Foot water (4°C) expresses pressure as the height of a water column at 4°C, often used to describe hydraulic head or low pressure in fluid systems.
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Can this tool be used for precise hydraulic calculations?
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While useful for conversions, accuracy may be limited by unit definitions and assumptions about water temperature and purity.
Key Terminology
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Ton-force (short)/sq. foot
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A non-SI pressure unit equal to the force of one short ton (2000 pound-force) distributed over one square foot.
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Foot water (4°C) [ftAq]
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A pressure unit representing the hydrostatic pressure from a one-foot column of pure water at 4°C.
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Hydraulic Head
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The height of a water column that corresponds to a specific pressure in a fluid system.