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Convert from Carcel Unit to Candle (UK) [c (UK)] – Luminous Intensity Converter
Easily convert luminous intensity measurements from the historical Carcel unit to the obsolete British Candle (UK) unit. Ideal for historical research, museum restoration, and archival documentation.
Please check your input. It must be a valid numeric value.
Carcel unit to Candle (UK) [c (UK)] Conversion Table
| Carcel unit | Candle (UK) [c (UK)] |
|---|
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 (UK) [c (UK)] |
|---|
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What Is This Tool?
This converter allows users to translate luminous intensity values measured in the Carcel unit into the Candle (UK) unit. Both units are historical measures used before modern standards like the candela, supporting research and restoration of 19th-century lighting.
How to Use This Tool?
- Enter the luminous intensity value in Carcel units.
- Select Carcel as the input unit and Candle (UK) as the output unit.
- Click convert to get the equivalent luminous intensity in Candle (UK) units.
- Use the results to compare or analyze historical lighting information.
Key Features
- Converts from the Carcel unit, based on a standardized oil lamp light output.
- Outputs values in the British Candle (UK) unit, defined by a standardized candle’s illumination.
- Facilitates comparison of historic lighting data across different nineteenth-century measurement systems.
- Browser-based and easy to use for historians, curators, and researchers.
- Supports archival and museum work involving obsolete luminous intensity units.
Examples
- 2 Carcel units converts to approximately 18.45 Candle (UK) units.
- 0.5 Carcel units equals about 4.61 Candle (UK) units.
Common Use Cases
- Comparing brightness of oil lamps from 19th-century lighting catalogs.
- Translating early photometric measurements to a British historical unit.
- Restoring lighting in historic buildings or theatrical settings according to original illumination standards.
- Converting archival luminous intensity data for research or documentation purposes.
Tips & Best Practices
- Use this conversion tool primarily for historical or archival research contexts.
- Verify the original measurement conditions due to variability in obsolete unit definitions.
- Do not apply these conversions for modern scientific or engineering purposes.
- Combine with additional historical documentation for accurate restoration or analysis.
Limitations
- Both Carcel and Candle (UK) are obsolete and based on non-standard physical sources.
- Luminous output can vary due to differences in oil lamp or candle construction.
- Conversions are not suitable for precise modern photometric applications.
- Primarily relevant for historical, archival, or restoration contexts.
Frequently Asked Questions
- What is a Carcel unit?
- A Carcel unit is a historical luminous intensity measure defined by the light from a standardized oil lamp burning colza oil under set conditions. It was used in 19th-century photometry before modern units.
- Why convert Carcel units to Candle (UK)?
- Converting from Carcel to Candle (UK) allows comparison between French-origin oil lamp standards and British candle-based lighting units, useful in historical research and restoration.
- Can this conversion be used for modern lighting design?
- No. Since both units are obsolete and based on physical sources with variability, their conversions are only relevant for historical or archival purposes, not modern photometry.
Key Terminology
- Carcel unit
- A 19th-century unit of luminous intensity based on the light emitted from a standardized colza oil lamp with consistent wick and burner specifications.
- Candle (UK) [c (UK)]
- An obsolete British unit of luminous intensity defined by the light output of a standardized candle used in UK photometric practices before the candela.
- Luminous Intensity
- A measure of the amount of light emitted by a source in a particular direction, historically measured by units like the Carcel and Candle (UK).