Online Illumination Units Converter
How to Convert from Lumen/square centimeter to Centimeter-candle [cm*c]

How to Convert from Lumen/square centimeter to Centimeter-candle [cm*c]

Learn how to convert illumination units from lumen per square centimeter to the obsolete centimeter-candle, bridging modern lighting measurements with historical photometric data.

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Lumen/square centimeter to Centimeter-candle [cm*c] Conversion Table

Lumen/square centimeter Centimeter-candle [cm*c]

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.
Lumen/square centimeter to Centimeter-candle [cm*c] Conversion Table
Lumen/square centimeter Centimeter-candle [cm*c]

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What Is This Tool?

This converter transforms illumination values measured in lumen per square centimeter to centimeter-candle, a legacy unit once used to express illuminance near point light sources. It supports accurate comparison between contemporary and historical lighting data.

How to Use This Tool?

  • Input the illuminance value in lumen per square centimeter.
  • Select lumen/square centimeter as the starting unit.
  • Choose centimeter-candle [cm*c] as the target unit.
  • Submit to receive the converted illumination value instantly.

Key Features

  • Direct conversion between lumen/square centimeter and centimeter-candle using a simple 1:1 ratio.
  • Suitable for precise photometric measurements involving small LEDs, microscope slides, and optical components.
  • Supports analysis and interpretation of historical illumination data in obsolete units.
  • Browser-based and easy to use without installation.

Examples

  • Convert 5 lumen/square centimeters to 5 centimeter-candles [cm*c].
  • Convert 0.2 lumen/square centimeters to 0.2 centimeter-candles [cm*c].

Common Use Cases

  • Comparing high-intensity LED brightness per cm² in modern research.
  • Interpreting illuminance data from microscope slides or sensor surfaces in labs.
  • Analyzing or converting older photometric reports using candle-based units.
  • Preserving historical photographic lighting specifications.

Tips & Best Practices

  • Prefer SI units like lux for current lighting measurements.
  • Use this conversion to maintain continuity when referencing legacy data.
  • Be aware of the unit's assumption of a point source one centimetre away.
  • Apply this tool for scientific and calibration tasks involving small-scale illuminance.

Limitations

  • Centimeter-candle is an outdated unit and is not widely recognized today.
  • The unit is based on an idealized point source at a fixed distance, which may not reflect real-world conditions.
  • Modern applications should use SI units like lux wherever possible.
  • Conversion is mainly important for dealing with legacy or historical photometric data.

Frequently Asked Questions

What is lumen per square centimeter?
It is a measure of illuminance indicating luminous flux per square centimeter, weighted according to human eye sensitivity.

Why convert to centimeter-candle?
Conversion helps interpret historical lighting data and maintain compatibility with older photometric standards using candle-based units.

Is the centimeter-candle still used today?
No, it is an obsolete unit mostly replaced by the SI unit lux, but it remains useful for legacy data and historical references.

Key Terminology

Lumen/square centimeter
A unit of illuminance representing luminous flux per square centimeter, weighted by human eye response.
Centimeter-candle [cm*c]
An obsolete illuminance unit based on illumination one centimetre from a one-candle point source.
Lux
The SI unit of illuminance, measuring luminous flux per square meter.

Quick Knowledge Check

What does 1 lumen per square centimeter equal in centimeter-candle?
Which unit has replaced the centimeter-candle in modern photometry?
What is a typical use case of lumen/square centimeter?