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How to Convert from Candela steradian/sq. meter to Lumen/square meter [lm/m^2]
Learn how to convert candela steradian per square meter (cd·sr·m⁻²) to lumen per square meter (lm/m²) using this straightforward illumination unit converter. Understand their equivalence and common applications.
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Candela steradian/sq. meter to Lumen/square meter [lm/m^2] Conversion Table
| Candela steradian/sq. meter | Lumen/square meter [lm/m^2] |
|---|
Custom Unit Conversion Table Generator – Instant Printable Conversion Tables
Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.
Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.
Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.
| Candela steradian/sq. meter | Lumen/square meter [lm/m^2] |
|---|
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What Is This Tool?
This unit converter allows users to convert values from candela steradian per square meter to lumen per square meter, both of which measure illuminance—the luminous flux incident on a surface area. The two units are numerically equal and interchangeable for expressing lighting levels.
How to Use This Tool?
- Enter the illuminance value in candela steradian per square meter.
- Select the conversion to lumen per square meter [lm/m²].
- Click the convert button to get the equivalent value.
- Use the result for lighting design, measurement, or calibration purposes.
Key Features
- Converts illuminance values between candela steradian per square meter and lumen per square meter.
- Browser-based and easy to use for quick conversions.
- Supports lighting design, photography, horticulture, and calibration applications.
- Uses exact equivalence with a 1:1 conversion rate.
Examples
- Converting 5 cd·sr/m² yields 5 lm/m².
- Converting 12 cd·sr/m² results in 12 lm/m².
Common Use Cases
- Verifying indoor lighting levels in offices, schools, and workplaces.
- Designing and assessing outdoor and street illumination.
- Setting exposure and light parameters for photography and cinematography.
- Measuring and managing light delivery in horticulture and greenhouses.
- Calibrating photometric instruments.
Tips & Best Practices
- Ensure uniform illumination when measuring luminous flux.
- Use consistent units in lighting design to comply with standards.
- Calibrate instruments regularly for accurate measurements.
- Consider regional norms that may prefer one unit over another.
Limitations
- Units are interchangeable but may be preferred differently by industries or regions.
- Measurement precision relies on uniform light distribution and accurate surface area assessment.
- Human eye sensitivity variations may influence perceived brightness beyond raw units.
Frequently Asked Questions
- Are candela steradian per square meter and lumen per square meter the same?
- Yes, they are numerically equivalent and both measure illuminance as luminous flux per unit area.
- What is a common use case for converting these units?
- This conversion helps users express illuminance values interchangeably for photometric standards and lighting design.
- Can this tool be used for photography light measurements?
- Yes, it assists in setting exposure and calibrating light meters by converting illuminance units.
Key Terminology
- Candela steradian per square meter (cd·sr·m⁻²)
- A unit measuring illuminance equal to the luminous flux incident on one square meter; numerically equivalent to lumen per square meter.
- Lumen per square meter (lm/m²)
- The SI derived unit of illuminance representing one lumen of luminous flux uniformly incident on one square meter of surface; also known as lux.
- Illuminance
- The measure of luminous flux incident on a surface per unit area, quantifying visible light intensity.