Illumination Converter
Convert illumination units including lux, meter-candle, centimeter-candle, foot-candle, flame and many more illumination units instantly and accurately.
Popular Illumination Conversions
Quick access to the most commonly used illumination conversions.
About Illumination Units
Free online illumination converter - converts between 12 units of illumination, including lux [lx], meter-candle [m*c], centimeter-candle [cm*c], foot-candle [ft*c, fc], etc. Also, explore many other unit converters or learn more about illumination unit conversions. Different unit systems are used worldwide, including the Metric System (SI) and the Imperial / US Customary System.
Metric System (SI)
The metric system is the most widely adopted international measurement standard. The base unit is the lux.
Imperial System (US)
The imperial system is commonly used in the United States and specialized international industries including aviation and maritime navigation.
Common Illumination Units
Here are some of the most common illumination units and their abbreviations.
| Unit | Symbol | Type | In Lux |
|---|---|---|---|
| Lux | lx | Metric (base) | 1 lx |
| Meter-candle | m*c | Metric | 1 lx |
| Centimeter-candle | cm*c | Metric | 10000 lx |
| Foot-candle | ft*c, fc | Imperial | 10.76391 lx |
| Flame | — | Standard | 43.055642 lx |
| Phot | ph | Standard | 10000 lx |
| Nox | — | Standard | 0.001 lx |
| Candela steradian/sq. meter | — | Metric | 1 lx |
| Lumen/square meter | lm/m^2 | Metric | 1 lx |
| Lumen/square centimeter | — | Metric | 10000 lx |
Common Conversion Formulas
Here are some useful illumination conversion formulas.
Frequently Asked Questions
Find answers to common questions about illumination conversion.
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