What Is This Tool?
This converter allows users to translate power measurements expressed in calorie (IT) per hour into calorie (IT) per second, units used to quantify heat transfer rates based on the International Table calorie. It supports thermal analysis and historical data interpretation by switching between these time-based units.
How to Use This Tool?
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Enter the power value measured in calorie (IT) per hour.
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Select the source unit as calorie (IT)/hour [cal/h].
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Choose the target unit as calorie (IT)/second [cal/s].
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Click convert to get the equivalent power in calorie (IT) per second.
Key Features
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Converts power units from calorie (IT)/hour to calorie (IT)/second with a defined conversion rate
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Supports small heat flow rate measurements frequently used in laboratory calorimetry
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Offers accurate interpretation of historical technical data involving calorie-based power units
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Facilitates comparisons between older calorie-based units and modern SI units like watts
Examples
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Convert 10 cal/h to cal/s: 10 × 0.0002777778 = 0.002777778 cal/s
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Convert 100 cal/h to cal/s: 100 × 0.0002777778 = 0.02777778 cal/s
Common Use Cases
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Determining small heat-transfer rates in thermal experiments using international calorie units
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Converting and interpreting heat flow data from historical or technical literature that uses calorie-based units
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Estimating low-level heat gains or losses in experimental setups and insulated components
Tips & Best Practices
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Ensure measurements use the International Table calorie definition for consistency
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Use this conversion for low power quantities as large-scale measurements are better expressed in watts
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Apply conversions carefully when comparing historical data to modern thermal power units
Limitations
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Only applicable for very small power quantities reflecting low heat-transfer rates
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Dependent on precise definition of calorie (IT) and consistent time units
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Not suitable for large thermal power values commonly represented in watts
Frequently Asked Questions
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What is the conversion rate from calorie (IT)/hour to calorie (IT)/second?
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The conversion rate is 1 calorie (IT)/hour equals 0.0002777778 calorie (IT)/second.
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Where is calorie (IT)/hour commonly used?
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It is used for reporting very small steady heat flow rates in laboratory calorimetry and thermal testing.
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Why convert calorie (IT)/hour to calorie (IT)/second?
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To express heat transfer rates on a per-second basis, which is helpful for dynamic thermal measurements and comparing historical data.
Key Terminology
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Calorie (IT)/hour [cal/h]
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A power unit measuring energy transfer rate equal to one International Table calorie per hour, used for small heat flow rates.
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Calorie (IT)/second [cal/s]
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A power unit representing the rate of energy transfer of one International Table calorie per second, used to express thermal power.
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International Table calorie (cal_IT)
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A unit of energy defined as 4.1868 joules, used as the basis for calorie (IT)/hour and calorie (IT)/second measurements.