What Is This Tool?
This unit converter enables you to transform measurements of illuminance from lumen per square meter (lm/m^2), a precise scientific unit, into the informal unit called flame. The flame unit represents light emitted by an open combustion source and is used for rough qualitative comparisons.
How to Use This Tool?
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Enter the illuminance value in lumen per square meter (lm/m^2).
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Select lumen per square meter as the input unit and flame as the output unit.
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Submit the input to calculate the equivalent light level expressed in flames.
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Use the result for approximate qualitative assessments or communication purposes.
Key Features
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Converts illuminance from lumen per square meter (lm/m^2) to flame units.
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Provides a connection between exact photometric data and informal lighting descriptions.
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Helpful for fields requiring both quantitative and qualitative light measurement.
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Supports quick, intuitive understanding of illumination using the flame reference.
Examples
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Convert 10 lm/m^2 to flame: 10 × 0.02322576 = 0.2322576 Flame.
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Convert 50 lm/m^2 to flame: 50 × 0.02322576 = 1.161288 Flame.
Common Use Cases
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Verifying lighting standards in workspaces, classrooms, and public areas using conventional units.
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Setting lighting and camera parameters in photography and cinematography with illuminance values.
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Relating scientific light measurements to informal references for safety or firefighting fieldwork.
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Communicating illumination levels in archaeological, anthropological, or outdoor settings without instruments.
Tips & Best Practices
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Use the tool for approximate conversions to relate technical data to informal light descriptions.
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Remember that flame is a non-standard unit and results serve as rough estimates.
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Apply conversions cautiously when comparing with precise lighting measurements.
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Utilize the conversion to aid communication in contexts lacking specialized photometric equipment.
Limitations
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The flame is not a standardized photometric unit and varies with flame type and size.
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Conversion from precise units to flame provides a rough approximation, not exact values.
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Reliance on flame units for critical measurements is not appropriate due to its informal nature.
Frequently Asked Questions
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What does lumen per square meter (lm/m^2) measure?
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It measures illuminance, specifically the amount of visible light falling uniformly on a surface area of one square meter.
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Is flame a standard unit of light measurement?
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No, flame is an informal descriptor representing light from an open combustion source and is not standardized scientifically.
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Why would I convert from lumen per square meter to flame?
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This helps translate exact scientific measurements into qualitative terms useful for informal communication, safety contexts, or fields without precise instruments.
Key Terminology
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Lumen per square meter [lm/m^2]
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An SI derived unit of illuminance representing one lumen of luminous flux incident uniformly on one square meter.
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Flame
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An informal descriptor of light intensity emitted by an open combustion source, used qualitatively rather than as a standardized unit.
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Illuminance
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A measurement of visible light incident on a surface, weighted by human visual response.