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How to Convert from Candle (UK) [c (UK)] to Decimal candle
Convert luminous intensity values between the historical British candle (UK) and the decimal candle units using our online converter. Understand their significance in lighting history and archival photometry.
Please check your input. It must be a valid numeric value.
Candle (UK) [c (UK)] to Decimal candle Conversion Table
| Candle (UK) [c (UK)] | Decimal candle |
|---|
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.
| Candle (UK) [c (UK)] | Decimal candle |
|---|
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What Is This Tool?
This converter helps you change values from candle (UK), an old British luminous intensity unit based on a standardized candle, into decimal candle, a similar historical unit used in 19th-century photometry. It is useful for interpreting historical lighting data and restoring period illumination.
How to Use This Tool?
- Enter the luminous intensity value in candle (UK) units.
- Select candle (UK) as the source unit and decimal candle as the target unit.
- Click the convert button to get the equivalent value in decimal candles.
- Use the result to compare historical specifications or aid restoration projects.
Key Features
- Converts obsolete luminous intensity units: candle (UK) to decimal candle.
- Uses standardized conversion values based on historical definitions.
- Supports analysis of archival British and continental European lighting data.
- Facilitates heritage lighting restoration and theatrical lighting reproduction.
- Browser-based and easy to use without installation.
Examples
- Convert 5 candle (UK): 5 × 1.0416666667 = 5.2083333335 decimal candles.
- Convert 10 candle (UK): 10 × 1.0416666667 = 10.416666667 decimal candles.
Common Use Cases
- Interpreting and converting historical British lighting specs for research or preservation.
- Restoring original illumination in museums, historic sites, or theatres.
- Converting early photometric readings into compatible units for analysis.
- Comparing British archival data with continental European lighting standards.
- Calibrating or describing early photometric instrument performance.
Tips & Best Practices
- Ensure input values correspond to candle (UK) units to get accurate results.
- Use converted decimal candle values alongside context on historical lighting standards.
- Apply this conversion mainly in historical, archival, or heritage lighting studies.
- Cross-reference conversions due to slight historical variations in candle definitions.
- Remember these units are obsolete and not suited for modern lighting design.
Limitations
- Both units are outdated and replaced by the modern candela unit.
- Historical variations in candle composition can cause small inconsistencies.
- Not applicable for current scientific or engineering lighting calculations.
- Intended for specialized historical, museum, or archival applications only.
Frequently Asked Questions
- What is the candle (UK) unit?
- Candle (UK) is an obsolete British luminous intensity unit defined by the light from a standardized candle used in UK photometric practice before the candela was adopted.
- Why convert candle (UK) to decimal candle?
- Conversion helps reconcile British lighting data with continental European standards and supports restoration of historical illumination levels.
- Are these units used in modern lighting?
- No, both candle (UK) and decimal candle are obsolete and mainly relevant for historical and archival purposes, replaced by the candela in modern use.
Key Terminology
- Candle (UK)
- An obsolete British luminous intensity unit defined by light from a standardized candle used in UK photometry before adopting the candela.
- Decimal Candle
- A historical unit of luminous intensity originating from France, defined by light from a standardized candle and used prior to the modern candela.
- Luminous Intensity
- A measure of the wavelength-weighted power emitted by a light source in a particular direction, perceived by the human eye.