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How to Convert from Pentane candle (10 candle power) to Lumen/steradian [lm/sr]
Convert luminous intensity values between the historical pentane candle (10 candle power) unit and the modern lumen per steradian (lm/sr) unit using this easy-to-use online converter.
Please check your input. It must be a valid numeric value.
Pentane candle (10 candle power) to Lumen/steradian [lm/sr] Conversion Table
| Pentane candle (10 candle power) | Lumen/steradian [lm/sr] |
|---|
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.
| Pentane candle (10 candle power) | Lumen/steradian [lm/sr] |
|---|
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What Is This Tool?
This tool allows users to convert luminous intensity measurements from the historical non-SI unit pentane candle (10 candle power) to lumen per steradian (lm/sr), which is numerically equal to the SI unit candela. It helps translate older lighting data into modern standards.
How to Use This Tool?
- Enter the luminous intensity value in pentane candle (10 candle power).
- Select the conversion to lumen/steradian [lm/sr].
- View the converted value displayed instantly for further use.
Key Features
- Converts pentane candle (10 candle power) values into lumen per steradian for luminous intensity comparison.
- Supports interpretation of historical lighting data and technical specifications.
- Browser-based converter with straightforward input and output.
Examples
- 2 Pentane candles (10 candle power) converts to 20 Lumen/steradian [lm/sr].
- 0.5 Pentane candle (10 candle power) converts to 5 Lumen/steradian [lm/sr].
Common Use Cases
- Interpreting historical lighting standards and records.
- Calibrating photometric instruments against modern SI units.
- Comparing old light sources such as candles and lamps with contemporary LEDs.
Tips & Best Practices
- Use this conversion primarily for archival and interpretive purposes.
- Verify historical measurement conditions to ensure compatibility.
- Prefer SI units like candela for modern photometric analysis and design.
Limitations
- Pentane candle (10 candle power) is non-SI and obsolete, so conversions rely on historical definitions.
- Variations in old candle formulations may affect exact equivalence.
- Conversions mainly support interpretation, not precise scientific measurement.
Frequently Asked Questions
- What is the pentane candle (10 candle power)?
- It is a historical unit of luminous intensity defined by a standard candle burning pentane, equal to 10 traditional candle power units.
- Is lumen per steradian the same as candela?
- Yes, 1 lumen per steradian equals 1 candela, the SI unit for luminous intensity.
- Why convert pentane candle to lumen/steradian?
- To translate non-SI, historical luminous intensity measurements into modern SI units for compatibility and comparison.
Key Terminology
- Pentane candle (10 candle power)
- A historical luminous intensity unit equal to 10 traditional candle power based on a candle burning pentane.
- Lumen/steradian [lm/sr]
- A unit of luminous intensity equal to 1 candela representing luminous flux emitted per unit solid angle.
- Luminous intensity
- The measure of visible light power emitted by a source in a particular direction.