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How to Convert from Carcel Unit to Candle (German) [c (German)]
A comprehensive guide to converting luminous intensity measurements from the historical Carcel unit to the German candle unit, used in 19th-century photometry.
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Carcel unit to Candle (German) [c (German)] Conversion Table
| Carcel unit | Candle (German) [c (German)] |
|---|
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.
| Carcel unit | Candle (German) [c (German)] |
|---|
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What Is This Tool?
This online converter facilitates the transformation of luminous intensity values from the Carcel unit, historically defined by a specific oil lamp's light output, into the German candle unit, an old German measure based on a standardized flame. It supports understanding and comparing historical lighting data.
How to Use This Tool?
- Enter the value measured in Carcel units into the input field.
- Select Carcel as the source unit and Candle (German) as the target unit if not pre-selected.
- Click the convert button to obtain the equivalent luminous intensity in Candle (German) units.
- Review the conversion result to interpret or document historical lighting data.
- Use provided examples as references for typical conversions.
Key Features
- Converts luminous intensity from Carcel units to Candle (German) units accurately using the historical conversion rate.
- Supports interpretation of 19th and early 20th-century lighting measurements within historical research and restoration.
- Browser-based, easy-to-use interface requiring no special software installation.
- Provides examples to illustrate common conversions between these obsolete units.
- Enables users to compare historical photometric data across different regional standards.
Examples
- 2 Carcel units convert to 18.259 Candle (German) units.
- 0.5 Carcel unit converts to 4.56475 Candle (German) units.
- Users can apply the formula 1 Carcel unit = 9.1295000029 Candle (German) units to calculate other values.
Common Use Cases
- Analyzing brightness differences of oil lamps in historic lighting catalogs that used Carcel units.
- Translating German candle measurements into comparable scales during museum restoration projects.
- Documenting and comparing photometric data from 19th-century European lighting standards for academic research.
- Interpreting historical technical specifications and lamp ratings originally expressed in obsolete units.
Tips & Best Practices
- Ensure the input values correspond to historical measurements for meaningful comparison.
- Use the converter primarily for archival research or restoration purposes rather than modern technical applications.
- Cross-reference converted results with original source information for historical accuracy.
- Refer to the examples to understand typical conversion outputs.
- Be aware that these units are not part of the modern SI system and have inherent historical limitations.
Limitations
- Both the Carcel and German candle units are obsolete and no longer used in contemporary lighting measurement.
- Conversion accuracy is affected by historical measurement conditions and lack of standardization.
- This tool is intended for archival, research, or comparative purposes, not precise scientific calculations.
Frequently Asked Questions
- What is the Carcel unit?
- The Carcel is a historical unit of luminous intensity defined by the light emitted from a standardized Carcel oil lamp under specific burning conditions in the 19th century.
- How does the Candle (German) differ from modern candela?
- The Candle (German) is an obsolete unit used historically in German-speaking areas based on a standardized flame and has been replaced by the modern SI unit candela.
- Why would I need to convert between Carcel units and German candles?
- Conversion is useful for interpreting, comparing, and documenting historical lighting data and photometric records that used these different regional units.
Key Terminology
- Carcel unit
- A 19th-century historical unit of luminous intensity based on the light emitted by a standardized Carcel oil lamp burning under specific conditions.
- Candle (German) [c (German)]
- An obsolete luminous intensity unit used historically in German-speaking countries, based on a standardized flame, replaced today by the candela.
- Luminous intensity
- A measure of the wavelength-weighted power emitted by a light source in a particular direction, perceived by the human eye.