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Foot-candles to Lux conversion

Foot-candles to Lux conversion table

Foot-candles (ft-cd)Lux (lx)
00
110.76391
221.52782
332.29173
443.05564
553.81955
664.58346
775.34737
886.11128
996.87519
10107.6391
20215.2782
30322.9173
40430.5564
50538.1955
60645.8346
70753.4737
80861.1128
90968.7519
1001076.391
100010763.91

How to convert foot-candles to lux?

Sure! Foot-candles and lux are both units used to measure illuminance, which is the intensity of light hitting a surface.

To convert foot-candles to lux, you can use the following conversion factor: 1 foot-candle (fc) = 10.764 lux (lx)

So, to convert 1 foot-candle to lux: 1 foot-candle=1×10.764 lux=10.764 lux1 \, \text{foot-candle} = 1 \times 10.764 \, \text{lux} = 10.764 \, \text{lux}

Real-World Examples of Foot-Candles

  1. Office Lighting:

    • Typical office lighting may range from 20 to 50 foot-candles.
      • Converting to lux: 20 fc = 20×10.764 lux=215.28 lux20 \times 10.764 \, \text{lux} = 215.28 \, \text{lux}
      • Converting to lux: 50 fc = 50×10.764 lux=538.2 lux50 \times 10.764 \, \text{lux} = 538.2 \, \text{lux}

  2. Warehouse Lighting:

    • Low-activity areas might have around 10 foot-candles.
      • Converting to lux: 10 fc = 10×10.764 lux=107.64 lux10 \times 10.764 \, \text{lux} = 107.64 \, \text{lux}
    • High-activity areas might require up to 30 foot-candles.
      • Converting to lux: 30 fc = 30×10.764 lux=322.92 lux30 \times 10.764 \, \text{lux} = 322.92 \, \text{lux}

  3. Retail Stores:

    • General retail areas might have around 30 to 40 foot-candles.
      • Converting to lux: 30 fc = 30×10.764 lux=322.92 lux30 \times 10.764 \, \text{lux} = 322.92 \, \text{lux}
      • Converting to lux: 40 fc = 40×10.764 lux=430.56 lux40 \times 10.764 \, \text{lux} = 430.56 \, \text{lux}

  4. Classroom Lighting:

    • Standard classroom lighting is typically around 50 to 70 foot-candles.
      • Converting to lux: 50 fc = 50×10.764 lux=538.2 lux50 \times 10.764 \, \text{lux} = 538.2 \, \text{lux}
      • Converting to lux: 70 fc = 70×10.764 lux=753.48 lux70 \times 10.764 \, \text{lux} = 753.48 \, \text{lux}

  5. Art Gallery Lighting:

    • Museums and art galleries might require around 20 to 50 foot-candles, depending on the type of artwork and desired effect.
      • Converting to lux: 20 fc = 20×10.764 lux=215.28 lux20 \times 10.764 \, \text{lux} = 215.28 \, \text{lux}
      • Converting to lux: 50 fc = 50×10.764 lux=538.2 lux50 \times 10.764 \, \text{lux} = 538.2 \, \text{lux}

These examples give you an idea of how foot-candles translate to lux in different settings and the range of light levels that might be required for various environments.

See below section for step by step unit conversion with formulas and explanations. Please refer to the table below for a list of all the Lux to other unit conversions.

What is foot-candles?

Foot-candle (ft·cd) is a unit of measurement that expresses the amount of light emitted or received in a specific area. It's a way to quantify the illumination level on a surface.

One foot-candle is defined as:

  • The amount of light that would be produced by one candle placed 1 foot away from a surface.
  • One lumen (lm) per square foot (ft²). In other words, if you have an area of 1 square foot and it receives 1 lumen of light energy, the illumination level is 1 foot-candle.

To put this in perspective:

  • A typical living room or office might have lighting levels around 10-50 foot-candles.
  • A well-lit street at night might be around 100-200 foot-candles.
  • A candlelit dinner setting could be around 5-20 foot-candles.

Foot-candles are often used in lighting design and measurement, particularly in situations where precise control over illumination levels is required.

What is lux?

A lux (symbol: lx) is the unit of measurement for light intensity, also known as illuminance. It's a measure of how much light is falling on a surface from one or more sources.

One lux is equal to one lumen per square meter (lm/m²). To put it into perspective:

  • A typical cloudy day has an illuminance of around 10,000-20,000 lux.
  • A bright sunny day can reach up to 100,000 lux.
  • Indoor lighting levels can range from 100-5,000 lux, depending on the application (e.g., kitchen, living room, reading area).

Lux is used in various fields, such as:

  1. Lighting design and engineering
  2. Interior design and architecture
  3. Industrial safety and inspection (to ensure adequate lighting for work tasks)
  4. Photography and videography (to control lighting conditions)

Now you know what lux means!

Complete Foot-candles conversion table

Enter # of Foot-candles
Convert 1 ft-cd to other unitsResult
Foot-candles to Lux (ft-cd to lx)10.76391

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