Online Illumination Units Converter
How to Convert from Centimeter-candle [cm*c] to Lux [lx]?

How to Convert from Centimeter-candle [cm*c] to Lux [lx]?

Learn the process of converting illumination values from the obsolete unit centimeter-candle to the modern SI unit lux. Understand their definitions, use cases, and how to update historical lighting data accurately.

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Centimeter-candle [cm*c] to Lux [lx] Conversion Table

Centimeter-candle [cm*c] Lux [lx]

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.
Centimeter-candle [cm*c] to Lux [lx] Conversion Table
Centimeter-candle [cm*c] Lux [lx]

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What Is This Tool?

This converter helps transform illumination measurements from the centimeter-candle, an outdated unit, to lux, the internationally recognized SI unit for illuminance. It is designed to assist with the interpretation and standardization of legacy lighting data.

How to Use This Tool?

  • Enter the illumination value in centimeter-candle [cm*c].
  • Select the from unit as centimeter-candle and the to unit as lux [lx].
  • Click the convert button to see the equivalent lux value.
  • Review the converted result, reflecting the illumination in lux.

Key Features

  • Converts obsolete centimeter-candle values to modern lux units.
  • Provides quick and easy conversion for photometric data.
  • Supports updating historical and archival lighting measurements.
  • Browser-based and user-friendly interface.
  • Facilitates comparison and standardization for research and design.

Examples

  • 0.5 centimeter-candle equals 5000 lux.
  • 2 centimeter-candle equals 20000 lux.

Common Use Cases

  • Interpreting and updating historical photometry and lighting reports with candle-based units.
  • Converting legacy optical instrument lighting specifications to SI units.
  • Standardizing illuminance data for lighting design and research applications.
  • Calibrating lamps and measuring illumination for compliance with modern standards.
  • Archival conversion for historical research in lighting technology.

Tips & Best Practices

  • Always verify the original measurement context when converting from centimeter-candle.
  • Use the tool to update older data to lux for consistency with current standards.
  • Consider the obsolete nature of centimeter-candle when interpreting results.
  • Apply conversions carefully in calibration to maintain accuracy in standards compliance.

Limitations

  • Centimeter-candle is an outdated unit with limited practical use outside historical references.
  • Its definition relies on a point source one centimetre away, which may not match real lighting environments.
  • Conversion assumes the candle is equal to one candela, which may vary in historical contexts.
  • Less precise and potentially misleading for modern lighting applications.

Frequently Asked Questions

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

Why convert from centimeter-candle to lux?
Conversion updates historical lighting data to the SI standard lux, enabling consistency and comparability with modern measurements.

Is lux a more accurate unit than centimeter-candle?
Lux is the modern SI unit for illuminance and is widely recognized for accuracy and practical application, unlike the obsolete centimeter-candle.

How do I convert a value from centimeter-candle to lux?
Multiply the centimeter-candle value by 10,000 to get the corresponding lux value according to the conversion rate.

Key Terminology

Centimeter-candle [cm*c]
An obsolete illuminance unit defined by the light on a surface one centimetre from a point source emitting one candle of light.
Lux [lx]
The SI derived unit for illuminance, expressing luminous flux per square metre weighted by human visual response.
Illuminance
A measure of the luminous flux incident on a surface per unit area.
Candela
The SI base unit of luminous intensity, representing the power emitted by a light source in a particular direction.

Quick Knowledge Check

What is the relation between centimeter-candle and lux?
Which unit is the current standard for measuring illuminance?
Why is the centimeter-candle considered obsolete?