What Is This Tool?
This converter helps translate power values from the imperial unit pound-foot per hour, representing mechanical work rate, into the SI unit microjoule per second, used for small continuous power in electronic and optical systems.
How to Use This Tool?
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Enter the value in pound-foot/hour you wish to convert
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Select the input unit as pound-foot/hour [lbf*ft/h]
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Choose the output unit as microjoule/second [µJ/s]
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Click convert to get the result expressed in µJ/s
Key Features
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Converts between pound-foot/hour and microjoule/second units of power
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Browser-based and easy to use for quick calculations
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Supports accurate translation of legacy imperial power data into modern low-power SI units
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Useful for industries such as vintage equipment restoration, photonics, and energy harvesting
Examples
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2 lbf*ft/h equals approximately 753.23 µJ/s
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0.5 lbf*ft/h converts to about 188.31 µJ/s
Common Use Cases
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Expressing very low mechanical power outputs in legacy imperial units for devices like small clocks or gear trains
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Converting historical equipment power specifications from foot-pound to modern units
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Estimating power rates of hand-cranks or slow winches in SI terms
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Specifying power consumption of ultra-low-power microcontrollers and sensors
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Measuring optical power in sensitive photonics or microscopy equipment
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Describing power from tiny energy-harvesting devices at micro-watt scale
Tips & Best Practices
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Ensure the input power is continuous since pound-foot/hour measures rate over one hour
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Use this conversion when precise comparison of low-level power is needed in modern SI units
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Double-check unit selection to avoid mixups between mechanical and electrical power units
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Be aware of the approximate nature of conversions due to differing unit systems
Limitations
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Pound-foot/hour measures power over an hour, so conversion to per-second rates involves assumptions about continuous flow
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Conversion results are approximate because of differences between imperial and SI units
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Accuracy depends on exact definitions of foot-pound force and time intervals
Frequently Asked Questions
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What does one pound-foot per hour represent in power terms?
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It represents the mechanical work rate of one foot-pound force executed over one hour, an imperial unit of power.
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Why convert pound-foot/hour to microjoule/second?
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To translate legacy mechanical power in imperial units into very small SI units suited for modern low-power electronic and optical applications.
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Is the conversion between lbf*ft/h and µJ/s exact?
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No, the conversion is approximate due to differences between imperial mechanical units and SI units and assumptions about continuous power flow.
Key Terminology
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Pound-foot/hour [lbf*ft/h]
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An imperial unit measuring mechanical power equal to one foot-pound force of work done per hour.
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Microjoule/second [µJ/s]
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An SI unit of power representing energy transfer of one microjoule every second, equivalent to one microwatt.
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Mechanical power
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The rate at which mechanical work is performed or energy is transferred mechanically.