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How to Convert from Flame to Foot-candle [ft*c, fc]
Learn how to convert illumination measurements from the informal unit flame to the standardized foot-candle (ft*c, fc) unit. Understand the use cases, conversion method, examples, and limitations of this unit-pair converter.
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Flame to Foot-candle [ft*c, fc] Conversion Table
| Flame | Foot-candle [ft*c, fc] |
|---|
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.
| Flame | Foot-candle [ft*c, fc] |
|---|
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What Is This Tool?
This tool converts illumination values given in the informal unit flame to foot-candle (ft*c or fc), a standardized unit of illuminance. It helps translate qualitative or historical lighting descriptions into quantifiable light measurements commonly used in lighting design, safety, and photography.
How to Use This Tool?
- Enter the illumination value measured in flames
- Select 'flame' as the source measurement unit
- Choose foot-candle (ft*c, fc) as the target unit
- Click convert to see the equivalent illuminance in foot-candles
Key Features
- Converts informal flame units to standardized foot-candle (fc) measurements
- Supports illumination assessment for safety, photography, and lighting control
- Easy-to-use interface for quick unit conversion
- Facilitates comparison between qualitative and quantitative lighting levels
Examples
- 2 flames equal 8 foot-candles (ft*c, fc)
- 0.5 flame equals 2 foot-candles (ft*c, fc)
Common Use Cases
- Documenting and comparing illumination levels in safety and firefighting operations
- Translating historical or qualitative lighting descriptions into measurable units
- Setting and verifying lighting for photography, cinema, and stage environments
- Specifying ambient and task lighting levels in office and retail spaces
- Regulating light levels in museums, galleries, and horticultural settings
Tips & Best Practices
- Use this tool for rough conversion of informal lighting references to standardized units
- Apply conversions cautiously as flame is not a precise measurement unit
- Rely on foot-candle readings with proper instrumentation for critical lighting decisions
- Consider the context where approximate or qualitative illumination values are sufficient
Limitations
- The flame unit is informal and not standardized, making conversions approximate
- Actual illumination from a flame varies greatly and cannot be precisely quantified
- Foot-candle values require measurement instruments and cannot be exactly derived from flame descriptions
- Conversions provide qualitative guidance rather than exact photometric data
Frequently Asked Questions
- What is the flame unit used for?
- Flame is an informal illumination unit used to describe light from open combustion sources, often in qualitative or historical contexts where precise measurement is unnecessary.
- How many foot-candles equal one flame?
- One flame is approximately equal to four foot-candles (ft*c, fc).
- Can I use flame measurements for exact lighting specifications?
- No, because flame is not a standardized unit, it is best used for rough estimates, and precise lighting requires standardized units like foot-candles with proper instruments.
Key Terminology
- Flame
- An informal, non-standardized unit describing light emitted by open combustion sources, used qualitatively rather than precisely.
- Foot-candle (ft*c, fc)
- A non-SI unit of illuminance equal to one lumen per square foot, commonly used to specify light levels in North American lighting standards.
- Illumination
- The amount of light incident on a surface, measurable in standardized units like foot-candle or lux.