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Convert Foot-candle [ft*c, fc] to Lumen/square meter [lm/m^2] Online
Easily convert illumination values from foot-candle (ft*c, fc) to lumen per square meter (lm/m^2) with this online unit converter. Ideal for lighting design, photography, horticulture, and building compliance.
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Foot-candle [ft*c, fc] to Lumen/square meter [lm/m^2] Conversion Table
| Foot-candle [ft*c, fc] | Lumen/square meter [lm/m^2] |
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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.
| Foot-candle [ft*c, fc] | Lumen/square meter [lm/m^2] |
|---|
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What Is This Tool?
This tool allows you to convert illuminance measurements from foot-candle units—commonly used in North America—to lumen per square meter, the SI derived unit also known as lux. It helps ensure consistent lighting specifications across different measurement systems.
How to Use This Tool?
- Enter the value in foot-candles (ft*c or fc) you wish to convert.
- Select foot-candle as the input unit and lumen/square meter as the output unit.
- Click convert to see the equivalent value in lumen per square meter (lm/m^2).
Key Features
- Converts foot-candle (ft*c, fc), a non-SI illuminance unit, to lumen per square meter (lm/m^2), an SI unit equivalent to lux.
- Browser-based and straightforward to use for quick and accurate illumination unit conversions.
- Supports applications in lighting design, photography, cinematography, museums, and horticulture.
Examples
- 5 foot-candles equals 53.82 lumen/square meter (5 × 10.7639104167).
- 0.5 foot-candle equals 5.38 lumen/square meter (0.5 × 10.7639104167).
Common Use Cases
- Translating lighting levels for office and retail environments to comply with building codes.
- Setting exposure levels in photography, film, and stage lighting using consistent units.
- Determining light intensity in museums, galleries, and greenhouses for optimal display or horticultural growth.
Tips & Best Practices
- Ensure accurate input values reflecting the measured illuminance in foot-candles for best conversion results.
- Use this tool to align North American lighting practices with international SI standards.
- Verify the surface area units when measuring to avoid errors due to differing square feet and square meters bases.
Limitations
- Conversion accuracy depends on precise knowledge of surface areas because foot-candle is based on square feet while lumen/square meter uses square meters.
- Foot-candle is less frequently used outside North America, so conversions may be necessary for international projects.
Frequently Asked Questions
- What is a foot-candle?
- A foot-candle is a non-SI unit of illuminance representing one lumen per square foot and is commonly used in North American lighting measurements.
- How is lumen per square meter related to lux?
- Lumen per square meter is the SI derived unit of illuminance and is equivalent to the lux, measuring visible light falling on a surface.
- Why convert foot-candle to lumen/square meter?
- Converting from foot-candle to lumen/square meter helps maintain measurement consistency across international lighting standards and enables precise lighting design.
Key Terminology
- Foot-candle (ft*c, fc)
- A non-SI illuminance unit equal to one lumen per square foot, used mainly in North American lighting.
- Lumen per square meter (lm/m^2)
- The SI-derived illuminance unit equal to one lumen of flux over one square meter, equivalent to lux.
- Illuminance
- The measure of luminous flux incident on a surface per unit area.