What Is This Tool?
This converter allows you to translate illumination measurements from the informal unit called flame to the older unit centimeter-candle (cm*c), enabling comparisons between qualitative flame brightness and historical photometric data.
How to Use This Tool?
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Enter the value in flames you want to convert
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Select flame as your input unit and centimeter-candle [cm*c] as the output unit
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Click the convert button to see the result in centimeter-candle
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Use the output to relate informal flame brightness to historical illumination units
Key Features
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Converts illumination from flame to centimeter-candle [cm*c]
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Provides a simple interface for historical and informal lighting unit conversion
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Supports understanding of legacy and qualitative lighting descriptions
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Useful for conservation, historical photometry, and early photographic lighting analysis
Examples
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2 Flames equals approximately 0.00861 centimeter-candle
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5 Flames equals approximately 0.02153 centimeter-candle
Common Use Cases
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Converting informal flame brightness to a defined photometric scale for comparison
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Analyzing historical lighting and photometry data containing candle-based units
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Interpreting qualitative lighting descriptions in conservation or archaeological reports
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Restoring legacy optical or photographic lighting specifications using older units
Tips & Best Practices
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Remember the flame unit is informal and approximate for illumination
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Use this tool mainly for historical research or qualitative comparison purposes
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Avoid relying on centimeter-candle values for modern precise lighting measurements
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Consider the variability of real flame intensities when using conversions
Limitations
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Flame is not a standardized photometric unit; values are rough estimates
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Centimeter-candle is an obsolete unit replaced by lux and not used in current standards
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Variations in flame intensity based on conditions affect conversion consistency
Frequently Asked Questions
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What is a flame in illumination measurement?
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A flame is an informal descriptor representing light emitted by an open combustion source like a candle or torch, used mainly for qualitative or historical descriptions.
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Why convert from flame to centimeter-candle?
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Converting flame to centimeter-candle helps relate informal or qualitative flame brightness to an older, defined illuminance unit used in historical photometry.
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Is centimeter-candle still a standard unit?
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No, centimeter-candle is an obsolete photometric unit replaced by the lux in modern measurement standards.
Key Terminology
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Flame
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An informal photometric descriptor indicating the light emitted by an open combustion source, not standardized for precise measurement.
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Centimeter-candle [cm*c]
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An obsolete unit of illuminance equal to illumination one centimetre from a one candle point source, historically used in photometry before lux.
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Illuminance
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A measure of the amount of light arriving at a surface, typically quantified in units like lux or centimeter-candle.