Use this Illuminance converter to compare values between related units. The intensity of light falling on a surface, such as a wall or a desk, is known as illuminance. It differs from the amount of light emitted by a light source. Incident light is another name for illuminance. The illuminance values for lighting applications will rely on how difficult the visual job at hand is to execute. Enter a value, choose the source and target units, and review the result without calculating the conversion by hand.
How to use the Illuminance converter
Select Lux from the first dropdown and enter the value you want to convert.
Choose Meter Candle in the second dropdown to set the target unit.
The calculator instantly shows the converted result.
Check the displayed result and adjust the input or units whenever you need to compare another value.
This tool is useful when a measurement is recorded in one illuminance unit but a formula, specification, or comparison uses another. The result is formatted for readability, so use the displayed value as a quick conversion and retain appropriate precision for technical or scientific work.
Common Illuminance conversions
A starting example is Lux to Meter Candle. Other available combinations include Lux, Meter Candle, Centimeter Candle. Select the units that match the measurement you have and the unit required by your calculation or report.
The conversion is calculated from the unit definitions used by the calculator. Results can be rounded for display, so keep extra precision in your original value when the result will be used in a calculation.
How Illuminance results are presented
The calculator converts the entered value from the selected source unit to the selected target unit, then formats the result for display. Very small or very large values may be shown in a compact numeric form. Check the displayed precision before using a result in a measurement, report, or further calculation.
Units available in this illuminance converter
Lux
Meter Candle
Centimeter Candle
Foot Candle
Phot
Nox
Candela Steradian/Square Meter
Lumen/Square Meter
Lumen/Square Centimeter
Lumen/Square Foot
Flame
Watt/Square Centimeter
Example of Illuminance conversion
Frequently asked questions about Illuminance conversion
What is a Illuminance converter?
It is an online calculator that changes a value from one illuminance unit to another using the available unit definitions.
How do I convert illuminance units quickly?
Enter a value, select the source unit, choose the target unit, and review the result. For a different comparison, change either unit or the input value.
Is this illuminance converter free to use?
Yes. You can use it to compare values between the available illuminance units without performing the conversion manually.