What Is This Tool?
This online converter allows users to transform illumination measurements from lumen per square centimeter, a unit used for small area brightness, into lumen per square foot, a unit commonly applied in lighting design and environmental illumination standards.
How to Use This Tool?
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Enter the value in lumen per square centimeter you want to convert
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Select 'lumen per square centimeter' as your initial unit and 'lumen per square foot' as the target unit
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Click the convert button to see the equivalent illumination in lumen per square foot
Key Features
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Converts lumen/square centimeter to lumen/square foot accurately using a defined conversion rate
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Supports illumination measurements relevant to LED manufacturing, laboratory use, and lighting design
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Browser-based interface requiring no installation
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Enables translation of small-scale brightness values to practical larger-area lighting units
Examples
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2 lumen/square centimeter converts to approximately 1858.06 lumen/square foot
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0.5 lumen/square centimeter converts to approximately 464.52 lumen/square foot
Common Use Cases
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Specification of output intensity for small, high-power LEDs and LED dies
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Measurement of illuminance on microscope slides or tiny sensor surfaces
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Setting lighting standards for indoor environments such as offices and classrooms
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Design and assessment of photography, film, and stage lighting
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Controlling illumination for horticulture lighting and sensitive museum exhibits
Tips & Best Practices
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Ensure that you are aware of the area scale differences when converting between these units
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Verify that lighting conditions correspond appropriately when using converted values in design
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Use this tool for consistent communication between precise laboratory measurements and broader lighting standards
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Double-check conversions for critical applications where illuminance uniformity matters
Limitations
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The tool does not address spatial distribution or non-uniform lighting differences
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Direct conversions may not fully represent the nuances of illuminance over differing surface areas
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Converted values should be applied carefully, especially in detailed lighting design or compliance scenarios
Frequently Asked Questions
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What does lumen per square centimeter measure?
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It measures the luminous flux falling on one square centimeter of surface, indicating brightness weighted by the human eye’s response.
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Why convert lumen per square centimeter to lumen per square foot?
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Conversion enables comparison and application of small-scale illumination data to larger area lighting practices used in architecture, horticulture, and photography.
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Is 1 lumen/ft² equal to 1 foot-candle?
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Yes, lumen per square foot is equivalent to the foot-candle, a common unit for illuminance.
Key Terminology
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Lumen per square centimeter
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A photometric unit measuring luminous flux on one square centimeter of surface.
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Lumen per square foot
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A unit of illuminance equal to one lumen incident on a one-square-foot area, synonymous with foot-candle.
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Illuminance
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The luminous flux incident on a surface per unit area, indicating brightness.