What Is This Tool?
This unit converter transforms power values from kilojoule per hour (kJ/h), an SI unit representing energy transfer rates over an hour, into pound-foot per hour (lbf*ft/h), an imperial unit used to measure mechanical work done per hour.
How to Use This Tool?
-
Enter the power value in kilojoule per hour (kJ/h) you want to convert.
-
Select the source unit as kilojoule/hour (kJ/h).
-
Choose the target unit as pound-foot/hour (lbf*ft/h).
-
Click convert to get the equivalent power in pound-foot per hour.
-
Review and use the converted value for your application.
Key Features
-
Converts power from kilojoule/hour (kJ/h) to pound-foot/hour (lbf*ft/h).
-
Uses a precise conversion factor of 1 kJ/h = 737.5621492783 lbf*ft/h.
-
Supports understanding of low-rate energy and mechanical power measurements.
-
Helps bridge measurement units between SI and imperial systems.
-
Browser-based and easy to use for quick conversions.
Examples
-
Convert 2 kJ/h to pound-foot/hour: 2 × 737.5621492783 = 1475.1243 lbf*ft/h.
-
Convert 0.5 kJ/h to pound-foot/hour: 0.5 × 737.5621492783 = 368.7811 lbf*ft/h.
Common Use Cases
-
Expressing small heating or cooling rates in building physics applications.
-
Reporting metabolic energy expenditure per hour during exercise.
-
Laboratory calorimetry and low-rate heat-transfer measurements.
-
Describing low mechanical power outputs in legacy imperial units for machinery.
-
Specifying power requirements for historical or vintage equipment.
-
Converting hand-crank or slow winch work power rates from imperial to SI.
Tips & Best Practices
-
Use this converter for low-rate power measurements rather than instantaneous or high-power values.
-
Be mindful of differences between SI and imperial units to avoid errors.
-
Check unit selections carefully before converting.
-
Use conversion results to understand legacy equipment or comparative energy usage across unit systems.
Limitations
-
Best suited for low magnitude, hourly interval power measurements.
-
May not provide accurate results for instantaneous or high-power scenarios.
-
Conversions involve rounding and unit system discrepancies between SI and imperial units.
Frequently Asked Questions
-
What does 1 kilojoule per hour represent?
-
It is a power unit measuring energy transfer at a rate of 1,000 joules delivered every hour.
-
What is a pound-foot per hour used for?
-
It represents mechanical work done per hour in imperial units, commonly used for low mechanical power outputs or vintage equipment.
-
Why use this converter between kJ/h and lbf*ft/h?
-
To translate energy transfer rates from the SI system into imperial mechanical power units, especially useful for legacy or imperial-based applications.
Key Terminology
-
Kilojoule per hour (kJ/h)
-
An SI power unit describing energy transfer of 1,000 joules per hour.
-
Pound-foot per hour (lbf*ft/h)
-
An imperial power unit measuring mechanical work done at a rate of one foot-pound force per hour.
-
Power
-
The rate at which work is done or energy is transferred per unit time.