What Is This Tool?
This tool converts values from calorie (IT) per gram, a specific-energy measure, into gram per metric horsepower per hour, a mass-per-power-time unit used to express specific fuel consumption for engines.
How to Use This Tool?
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Enter the value in calorie (IT)/gram you want to convert
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Select calorie (IT)/gram as the from unit
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Choose gram/horsepower (metric)/hour as the to unit
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Click the convert button to get the result
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Review the output showing the equivalent fuel consumption measure
Key Features
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Converts fuel energy density units to engine fuel consumption units
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Supports specific-energy to mass-power-time unit conversion
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Includes common use cases in fuel efficiency and engine testing
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Provides direct calculation using defined conversion rate
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Browser-based and easy to use
Examples
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2 cal/g converts to 1,264,830.1805675 g/(hp·h)
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0.5 cal/g converts to 316,207.545141875 g/(hp·h)
Common Use Cases
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Reporting the calorific value of fuels like coal, wood, and diesel
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Comparing energy density of fuels for aerospace or portable power applications
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Estimating combustion and engine efficiency based on fuel energy content
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Reporting brake specific fuel consumption in engine test results
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Optimizing engine tuning and fuel efficiency in powerplants
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Converting legacy engine fuel consumption data to SI units for analysis
Tips & Best Practices
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Ensure consistent unit definitions when performing conversions
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Double-check numerical input due to large conversion factors involved
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Use the tool for quick estimation rather than precise scientific calculation
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Review engine or fuel specifications to understand context of values
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Use converted values to support regulatory compliance and performance comparisons
Limitations
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Conversion assumes standardized definitions of calorie and horsepower units
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Differences in fuel composition and engine conditions can affect interpretation
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Large conversion factor requires careful numerical handling to prevent errors
Frequently Asked Questions
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What does calorie (IT)/gram represent?
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It expresses the energy in International Steam Table calories contained per gram of a substance, used to quantify calorific value or energy density of fuels.
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What is gram/horsepower (metric)/hour used for?
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It measures the mass of fuel consumed per metric horsepower generated per hour, commonly for reporting brake specific fuel consumption of engines.
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Why convert from calorie (IT)/gram to gram/horsepower (metric)/hour?
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To translate specific energy content of fuels into practical engine fuel consumption rates, aiding in fuel efficiency comparison and engine performance analysis.
Key Terminology
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Calorie (IT)/gram [cal/g]
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A specific-energy unit showing the amount of international steam table calories per gram of substance, indicating fuel energy density.
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Gram/horsepower (metric)/hour [g/(hp·h)]
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A mass-per-power-time unit measuring grams of fuel consumed to produce one metric horsepower for one hour, used for reporting brake specific fuel consumption.
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Brake Specific Fuel Consumption (BSFC)
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A measure of fuel efficiency referring to the mass of fuel consumed per unit power produced and per unit time by an engine.