What Is This Tool?
This tool converts from pound per British thermal unit (thermal) [lb/Btu (th)], a mass-per-energy unit, to calorie (International Steam Table) per gram [cal/g], a specific-energy unit. It assists in evaluating fuel efficiency by translating mass-based fuel consumption into energy content per mass.
How to Use This Tool?
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Enter the value in pound per Btu (th) you want to convert
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Select the desired output unit as calorie (IT) per gram
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Click convert to see the equivalent energy content in cal/g
Key Features
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Converts fuel efficiency mass units from lb/Btu (th) to cal/g
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Supports fuel comparison based on mass and energy content
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Provides quick conversion for industrial and engineering applications
Examples
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2 lb/Btu (th) converts to 1.110368035 cal/g
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0.5 lb/Btu (th) converts to 0.277592009 cal/g
Common Use Cases
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Specifying boiler or furnace fuel consumption for thermal system design
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Comparing fuel energy content for industrial burner selection
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Calculating fuel mass flow rates for combustion power output and emissions estimates
Tips & Best Practices
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Use this conversion to compare fuels by mass-based energy content and fuel consumption
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Consider additional factors like combustion efficiency and environmental conditions in fuel assessments
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Use consistent definitions for Btu (thermal) and International Steam Table calorie for accurate results
Limitations
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Fuel composition and measurement conditions may influence conversion accuracy
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Standard definitions of units may vary regionally, affecting outcomes
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Additional adjustments are required for real-world combustion efficiency and system losses
Frequently Asked Questions
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What does pound/Btu (th) represent?
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It is a mass-per-energy unit expressing pounds of fuel needed to produce one British thermal unit of heat, used to indicate mass-based fuel consumption.
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Why convert pound/Btu (th) to calorie (IT)/gram?
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To evaluate fuel energy content on a mass basis and compare it with mass-based fuel consumption in thermal systems.
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Where is this conversion commonly applied?
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In industries like power generation, combustion engineering, fuel specification, aerospace, and portable power applications.
Key Terminology
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Pound/Btu (th) [lb/Btu (th)]
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A mass-per-energy unit representing pounds of fuel required to produce one British thermal unit of heat, used for fuel consumption evaluation.
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Calorie (IT)/gram [cal/g]
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A specific-energy unit indicating energy content per gram of substance, based on the International Steam Table calorie.
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British thermal unit (thermal)
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A unit of heat energy used as the denominator in lb/Btu (th) representing thermal energy output.