Online Illumination Units Converter
How to Convert from Centimeter-candle [cm*c] to Foot-candle [ft*c, fc]

How to Convert from Centimeter-candle [cm*c] to Foot-candle [ft*c, fc]

Convert illumination values from the obsolete centimeter-candle unit to the commonly used foot-candle unit, ideal for lighting, photography, and historical data analysis.

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Centimeter-candle [cm*c] to Foot-candle [ft*c, fc] Conversion Table

Centimeter-candle [cm*c] Foot-candle [ft*c, fc]

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Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.
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Centimeter-candle [cm*c] to Foot-candle [ft*c, fc] Conversion Table
Centimeter-candle [cm*c] Foot-candle [ft*c, fc]

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What Is This Tool?

This unit converter tool transforms illumination measurements from centimeter-candle to foot-candle. It assists users in translating outdated point-source based lighting data into a unit widely used in North American lighting practices.

How to Use This Tool?

  • Enter the illumination value in centimeter-candle.
  • Select centimeter-candle as the input unit and foot-candle as the output unit.
  • Click convert to receive the equivalent foot-candle value.

Key Features

  • Converts obsolete centimeter-candle values to foot-candle units.
  • Provides quick translation of historical photometric numbers into modern measurement standards.
  • Browser-based and easy to use without installation.
  • Supports lighting design, photography, museum, and horticultural applications.

Examples

  • 1 centimeter-candle equals approximately 929.03 foot-candle.
  • 0.5 centimeter-candle converts to about 464.52 foot-candle.

Common Use Cases

  • Interpreting historic lighting data expressed in candle-based units.
  • Setting lighting levels for photography, film production, and stage lighting.
  • Determining lighting conditions in museums, galleries, and greenhouses.
  • Converting obsolete illuminance units in lighting design and research.

Tips & Best Practices

  • Use the tool to understand legacy lighting specifications in modern terms.
  • Double-check the context of historical data since measurement conditions may vary.
  • Apply the converted values for practical lighting scenarios requiring foot-candle measurements.
  • Be aware of differences in unit definitions when analyzing very high illuminance levels.

Limitations

  • Centimeter-candle is an obsolete unit and seldom used today.
  • Conversion results may be approximate due to variations in historical measurement standards.
  • Foot-candle measures illuminance per square foot, potentially differing from point-source illumination assumptions in centimeter-candle.
  • Legacy data may have inconsistencies affecting conversion accuracy.

Frequently Asked Questions

What is a centimeter-candle?
It is an obsolete illuminance unit measuring light on a surface one centimetre from a point-source candle, historically used in photometry.

Why convert centimeter-candle to foot-candle?
To translate historical or obsolete illumination values into foot-candle, a unit commonly used in North American lighting and practical applications.

Is the conversion exact for all lighting measurements?
No, differences in source definitions and historical conditions may cause approximate conversion results.

Key Terminology

Centimeter-candle [cm*c]
An obsolete illumination unit representing light intensity at one centimetre from a point candle source, historically used in photometry.
Foot-candle [ft*c, fc]
A non-SI illuminance unit equal to one lumen per square foot, widely applied in North American lighting measurements.
Illuminance
The measure of luminous flux incident on a surface area, determining how much light falls on that surface.

Quick Knowledge Check

What does one centimeter-candle approximately equal in foot-candles?
Which unit is commonly used in North American lighting practices?
What is a key limitation when converting centimeter-candle to foot-candle?