What Is This Tool?
This converter helps you transform values measured in candela steradian per square meter into lux. Both units represent illuminance, quantifying luminous flux per unit area. The tool simplifies the conversion process for lighting design, photometry, and related fields where standardizing measurements is essential.
How to Use This Tool?
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Enter the illuminance value in candela steradian per square meter.
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Select the input and output units accordingly: candela steradian/sq. meter to lux.
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Click the convert button to obtain the equivalent lux value quickly.
Key Features
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Converts between candela steradian per square meter and lux, which are numerically equal units of illuminance.
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Supports applications in lighting design, instrument calibration, and environmental light measurement.
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Browser-based and easy to use without requiring complex inputs or formulas.
Examples
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Convert 5 candela steradian per square meter to lux to get 5 lx.
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Transform 0.1 candela steradian per square meter resulting in 0.1 lx.
Common Use Cases
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Specifying and validating indoor lighting levels for offices, classrooms, and workplaces according to illumination standards.
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Designing and evaluating outdoor lighting such as street and roadway illumination.
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Calibrating light meters and measuring exposure in photography and other optical instruments.
Tips & Best Practices
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Ensure the correct unit is specified to meet regulatory or instrumentation requirements.
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Use this conversion when intending to represent photopic (daylight) visual response in illuminance.
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Consider alternative units or methods if measurements relate to scotopic vision or other visual responses.
Limitations
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Candela steradian/sq. meter and lux, though numerically equivalent, may require precise unit specification depending on context.
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Lux values assume weighting for human photopic vision; different lighting conditions might need distinct measurement approaches.
Frequently Asked Questions
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Is 1 candela steradian per square meter equal to 1 lux?
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Yes, 1 candela steradian per square meter is numerically equivalent to 1 lux, as both measure illuminance in terms of luminous flux per unit area.
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Where is this unit conversion commonly applied?
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This conversion is widely used in lighting design for indoor and outdoor environments, photography exposure measurements, and instrument calibration.
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Does lux account for different types of human vision?
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Lux quantifies illuminance weighted by human photopic vision, so other visual responses like scotopic vision may require different measurements.
Key Terminology
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Candela steradian per square meter
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A unit measuring illuminance, representing luminous flux per unit area, numerically equivalent to lux.
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Lux [lx]
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The SI derived unit of illuminance, equal to one lumen per square meter, accounting for human photopic visual response.
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Illuminance
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The measurement of luminous flux incident on a surface per unit area.