What Is This Tool?
This unit converter helps translate power measurements from pound-foot per second, an Imperial mechanical power unit, to calorie (th)/hour, a thermal power unit commonly used in heat transfer and calorimetry.
How to Use This Tool?
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Enter the power value measured in pound-foot per second.
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Select pound-foot/second as the source unit and calorie (th)/hour as the target unit.
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Click the convert button to obtain the equivalent power in calorie (th)/hour.
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Review the result along with conversion details and examples.
Key Features
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Converts mechanical power units (pound-foot/second) to thermal power units (calorie (th)/hour).
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Provides exact conversion factors and formulas.
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Supports unit translation between Imperial and thermal energy expressions.
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Useful for engineering and thermal science applications involving small power values.
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Browser-based and easy to use for quick conversions.
Examples
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Convert 2 pound-foot/second: 2 × 1166.5737605129 = 2333.1475210258 cal (th)/h.
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Convert 0.5 pound-foot/second: 0.5 × 1166.5737605129 = 583.28688025645 cal (th)/h.
Common Use Cases
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Calculating mechanical power from torque and rotational speed in Imperial units.
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Estimating output of small motors or hand tools using US customary units.
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Reporting small heat transfer rates in laboratory calorimetry experiments.
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Expressing metabolic or physiological heat production in calories per hour.
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Converting legacy mechanical power data to thermal power units for integrated analysis.
Tips & Best Practices
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Ensure values are entered accurately in pound-foot/second for correct conversion.
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Remember that pound-foot/second and calorie (th)/hour measure different physical phenomena: mechanical power vs thermal power.
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Use the provided conversion formula for manual calculations when needed.
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Be cautious of rounding effects when converting through multiple unit steps.
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Prefer SI units like watts for scientific consistency when possible.
Limitations
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Pound-foot/second quantifies mechanical power, whereas calorie (th)/hour quantifies thermal power transfer; contexts differ.
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Conversion precision could be affected by rounding errors during intermediate steps.
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Calorie (th)/hour is a non-SI unit and less favored internationally compared to watts.
Frequently Asked Questions
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What does one pound-foot per second represent?
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It is an Imperial unit of power equal to one pound-force foot of work performed each second, measuring mechanical power transfer.
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Why convert pound-foot/second to calorie (th)/hour?
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To translate mechanical power values into thermal power units useful in heat transfer and calorimetry applications.
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Is calorie (th)/hour an SI unit?
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No, calorie (th)/hour is a non-SI unit. The preferred SI unit for power is the watt.
Key Terminology
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Pound-foot per second
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An Imperial unit of mechanical power equal to one pound-force foot of work done per second.
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Calorie (th)/hour
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A unit of thermal power representing one thermochemical calorie delivered per hour.
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Mechanical power
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The rate at which mechanical work is performed, often expressed in pound-foot/second or watts.
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Thermal power
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The rate of heat transfer, quantified by units such as calorie (th)/hour or watts.