What Is This Tool?
This tool converts power values from foot pound-force per hour, a legacy imperial unit, to millijoule per second, an SI-based unit suited for low-power measurements. It helps translate mechanical power expressed in older units to a standard form compatible with modern electronic and engineering applications.
How to Use This Tool?
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Enter the power value in foot pound-force/hour you want to convert
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Select foot pound-force/hour as the input unit
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Choose millijoule/second [mJ/s] as the output unit
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Click 'Convert' to see the result displayed instantly
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Review the converted value for further analysis or design updates
Key Features
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Accurate conversion from foot pound-force/hour to millijoule/second [mJ/s]
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Supports translation of legacy imperial power units into SI units
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Ideal for engineering and scientific work involving small mechanical power outputs
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Browser-based, easy-to-use interface for quick calculations
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Provides clear examples to illustrate conversions
Examples
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5 Foot pound-force/hour converts to approximately 1.883 millijoule/second [mJ/s]
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10 Foot pound-force/hour converts to approximately 3.766 millijoule/second [mJ/s]
Common Use Cases
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Converting small mechanical power rates in legacy imperial-system equipment
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Updating historical or field reports using foot pound-force units to SI-standard units
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Specifying power consumption in low-power electronics such as sensors and wearables
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Measuring optical outputs from low-power LEDs and laboratory lasers
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Quantifying microscale thermal or biochemical energy release rates in laboratory settings
Tips & Best Practices
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Always verify unit selection before conversion to ensure accuracy
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Use this tool for small power measurements due to the legacy nature of foot pound-force/hour
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Consider cross-checking with standard SI power units when working with very high or low values
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Utilize example conversions as a guide for interpreting results
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Apply converted values consistently in all engineering or research documentation
Limitations
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Foot pound-force/hour is a non-SI legacy unit that may carry rounding or historical measurement inconsistencies
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High accuracy requires careful handling of unit conversions due to fractional watt equivalence
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For extremely high or low power values, other standard units might be more suitable to avoid conversion errors or ambiguity
Frequently Asked Questions
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What does 1 foot pound-force/hour represent in terms of power?
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It represents a power level where one foot-pound-force of work or energy transfer is happening every hour, equivalent to about 0.0003766 watts or 0.3766 millijoule per second.
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Why convert foot pound-force/hour to millijoule/second?
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Converting to millijoule/second helps express very small mechanical power measurements in a standardized SI unit suitable for modern low-power electronics and scientific analysis.
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Can this conversion tool be used for large power values?
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While possible, the foot pound-force/hour unit is best suited for small power values; for large powers, other standard units may provide clearer and more practical measurements.
Key Terminology
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Foot Pound-Force/Hour
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A non-SI unit of power describing the amount of work or energy transferred at a rate of one foot-pound-force per hour.
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Millijoule/Second [mJ/s]
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A metric unit of power equal to one thousandth of a joule per second, commonly used to measure low power levels.
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Power
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The rate at which energy is transferred, converted, or performed over time.