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How to Convert from Centimeter-candle [cm*c] to Lumen/square meter [lm/m^2]?
Learn how to convert illumination values from the obsolete centimeter-candle unit to the modern SI unit lumen per square meter with clear examples and practical guidance.
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Centimeter-candle [cm*c] to Lumen/square meter [lm/m^2] Conversion Table
| Centimeter-candle [cm*c] | Lumen/square meter [lm/m^2] |
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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.
| Centimeter-candle [cm*c] | Lumen/square meter [lm/m^2] |
|---|
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What Is This Tool?
This online converter helps you transform illumination measurements expressed in centimeter-candle, a historical unit, into lumen per square meter, the current SI unit used in lighting design and analysis.
How to Use This Tool?
- Enter the illumination value in centimeter-candles you want to convert.
- Select the input unit as centimeter-candle [cm*c].
- Choose the output unit as lumen/square meter [lm/m^2].
- Click the convert button to get the equivalent luminance in lumen/square meter.
- Review the conversion result and apply it to your lighting measurements or analysis.
Key Features
- Converts obsolete centimeter-candle values to lumen/square meter for modern usage.
- Provides straightforward calculation based on the established conversion rate.
- Supports updating legacy lighting data for accurate comparison and application.
- Browser-based and easy to use with no setup required.
- Includes examples to illustrate common conversions.
Examples
- 2 centimeter-candle converts to 20,000 lumen per square meter using the formula: 2 × 10,000.
- 0.5 centimeter-candle converts to 5,000 lumen per square meter as per the formula: 0.5 × 10,000.
Common Use Cases
- Converting historical photometric data originally measured in candle-based units.
- Interpreting and updating vintage lighting specifications for modern lighting engineering.
- Verifying lighting exposure levels in photography and cinematography using standardized units.
- Adjusting horticultural lighting requirements by translating older lighting measurements.
- Supporting research and comparison with legacy lighting data in historical contexts.
Tips & Best Practices
- Ensure you understand that centimeter-candle is obsolete and may vary depending on historical context.
- Always double-check converted values due to the large conversion factor to minimize error.
- Use the modern lumen/square meter unit for all new lighting design and evaluation.
- Apply this conversion tool to update legacy data before using it in contemporary applications.
- Refer to multiple sources if working with historical candle definitions to confirm precision.
Limitations
- The centimeter-candle unit is outdated and might be interpreted differently based on historical definitions of the candle.
- Conversion is sensitive due to a large factor of 10,000; errors can be significant if values are not handled carefully.
- Not suitable for direct use in modern standards without conversion to SI units.
- Does not provide conversion of other photometric units beyond centimeter-candle to lumen per square meter.
- Historical variations in 'candle' definition can affect the accuracy of converted results.
Frequently Asked Questions
- What is a centimeter-candle?
- It is an obsolete unit of illuminance representing illumination at one centimetre from a point source of one candle, historically used in photometry.
- Why convert centimeter-candle to lumen per square meter?
- Conversion allows translating legacy lighting data into the modern SI unit for accurate comparison and practical use in lighting design.
- Is lumen per square meter the same as lux?
- Yes, lumen per square meter is equivalent to lux and is the SI unit for measuring illuminance.
Key Terminology
- Centimeter-candle [cm*c]
- An obsolete illuminance unit representing light on a surface one centimetre from a one candle source.
- Lumen/square meter [lm/m^2]
- The SI derived unit of illuminance measuring luminous flux per unit area, equivalent to lux.
- Illuminance
- The amount of visible light incident on a surface, weighted by the human eye's response.
- Candela
- The SI unit of luminous intensity, defining the intensity of light from a point source.