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Convert Centimeter-candle [cm*c] to Candela Steradian/Sq. Meter - Illumination Unit Converter
Easily convert obsolete illumination units centimeter-candle [cm*c] to the modern unit candela steradian per square meter with our online tool. Update historical lighting data and understand lighting levels in SI units like lux.
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Centimeter-candle [cm*c] to Candela steradian/sq. meter Conversion Table
| Centimeter-candle [cm*c] | Candela steradian/sq. meter |
|---|
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] | Candela steradian/sq. meter |
|---|
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What Is This Tool?
This converter changes illumination values from the outdated unit centimeter-candle [cm*c] to candela steradian per square meter, a modern SI-equivalent unit commonly used to measure illuminance as lux. It helps users update legacy photometric data and analyze lighting levels according to current standards.
How to Use This Tool?
- Enter the illumination value in centimeter-candle [cm*c].
- Select the 'from' unit as centimeter-candle [cm*c].
- Choose the 'to' unit as candela steradian per square meter.
- Click convert to see the equivalent value expressed in candela steradian/sq. meter (lux).
- Use the result to interpret or standardize lighting information from historical or legacy sources.
Key Features
- Converts from the obsolete centimeter-candle (cm*c) unit to candela steradian per square meter (cd·sr·m⁻²).
- Supports photometric and lighting engineering conversions reflecting historical and modern usage.
- User-friendly online interface to update legacy illumination data into standardized SI units.
- Provides numerical equivalency aligned with lux, facilitating consistent lighting analysis.
- Includes sample calculations to illustrate straightforward conversion.
Examples
- 2 Centimeter-candle [cm*c] converts to 20,000 Candela steradian/sq. meter.
- 0.5 Centimeter-candle [cm*c] converts to 5,000 Candela steradian/sq. meter.
Common Use Cases
- Updating historical photometry records expressed in candle-based illuminance units.
- Comparing very high illuminance measured close to small point light sources with modern standards.
- Interpreting legacy optical instrument or photographic lighting data predating SI lux measurements.
- Designing and verifying indoor, street, or workplace lighting using standardized units.
- Calibrating light meters and exposure measurements in photography via modern illumination units.
Tips & Best Practices
- Always verify the context of measurement since centimeter-candle values represent illuminance extremely close to a point source.
- Use this conversion primarily to handle legacy or historical data rather than contemporary measurements.
- Complement conversions with lighting design standards expressed in lux to ensure relevance.
- Consider differences in measurement methods when interpreting old data compared to current readings.
Limitations
- Centimeter-candle is an obsolete unit rarely used in modern lighting practice.
- Conversion mainly serves for legacy data interpretation rather than new measurements.
- Measures illuminance near a point light source, so spatial comparability to broader surface measurements is limited.
- Differences in historical source definitions and measurement methods may affect precision when comparing converted values.
Frequently Asked Questions
- What is a centimeter-candle?
- It is an obsolete illuminance unit representing illumination one centimetre from a point source of one candle, approximately equal to 10,000 lux.
- Why convert centimeter-candle to candela steradian per square meter?
- Because candela steradian per square meter is equivalent to lux, converting helps update and standardize historical illumination data into current SI units.
- Can this tool be used for modern lighting measurements?
- No, the centimeter-candle is outdated and mainly used for interpreting legacy data, while modern measurements typically use lux (candela steradian per square meter).
Key Terminology
- Centimeter-candle [cm*c]
- An outdated illuminance unit indicating the illumination on a surface one centimetre from a point source of one candle, roughly equal to 10,000 lux.
- Candela steradian per square meter (cd·sr·m⁻²)
- A unit measuring illuminance equivalent to lux, representing the luminous flux incident on a surface per unit area.
- Lux
- The SI unit of illuminance, which is numerically equal to one candela steradian per square meter.