What Is This Tool?
This converter helps translate measurements from gram/calorie (IT), which represents mass required per unit of International-Table calorie energy, into calorie (th)/gram, reflecting the energy content per gram based on thermochemical calories.
How to Use This Tool?
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Enter the value in gram/calorie (IT) [g/cal].
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Select the source unit as gram/calorie (IT) [g/cal].
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Choose the target unit calorie (th)/gram [cal (th)/g].
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Click convert to see the corresponding value.
Key Features
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Converts between mass per energy and energy per mass units for fuel efficiency.
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Accounts for slight differences between International-Table and thermochemical calorie definitions.
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Suitable for fuel testing, calorimetry, and combustion research applications.
Examples
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1 g/cal converts to approximately 1.0006692161 cal(th)/g.
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5 g/cal converts to approximately 5.0033460805 cal(th)/g.
Common Use Cases
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Comparing fuels by mass needed per fixed heat output in energy evaluations.
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Determining fuel mass requirements for specific thermal energy in heating systems.
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Measuring calorific values of fuels and materials in laboratory testing.
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Reporting energy released per gram in combustion or explosive material tests.
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Conducting small-scale calorimetry or nutrient-energy content analysis.
Tips & Best Practices
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Use this conversion to translate mass-based energy metrics into specific energy terms for clearer comparisons.
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Be aware of the small definition difference between calorie types which may affect precision.
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Apply this tool in contexts like fuel evaluation, heating system design, and material science calorimetry.
Limitations
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Slight differences between International-Table and thermochemical calorie definitions can cause minor inaccuracies.
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Conversion is based on pure unit definitions and may not reflect real fuel composition or performance variations.
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Not intended for use where extremely high precision is required due to calorie definition differences.
Frequently Asked Questions
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What does gram/calorie (IT) measure?
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It measures the mass of a substance needed to produce one International-Table calorie of energy, representing mass per unit thermal energy.
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Why convert to calorie (th)/gram?
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Converting to calorie (th)/gram expresses how much thermochemical calorie energy is contained per gram, useful for fuel energy content and calorimetry tests.
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Are there accuracy concerns with this conversion?
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Yes, small differences in calorie definitions can introduce slight inaccuracies, especially in high-precision contexts.
Key Terminology
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Gram/calorie (IT) [g/cal]
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A measure of mass per International-Table calorie reflecting how many grams provide one cal IT energy.
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Calorie (thermochemical) per gram [cal (th)/g]
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A specific energy unit indicating the thermochemical calories contained in one gram of material.
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International-Table calorie (cal IT)
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A calorie unit defined as 4.1868 joules used in gram/calorie (IT) measurements.
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Thermochemical calorie (cal th)
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A calorie unit defined as 4.184 joules used in calorie (th)/gram energy content.