Free Luminance Converter Tool

Convert between 5 supported units including Candela/square meter, Candela/square centimeter, Candela/square foot with adjustable precision and a documented conversion methodology.

What this converter covers

Convert luminance between candelas per square metre or foot, lamberts, and foot-lamberts.

Worked example

100 Candela/square meter = 29.1863508 Foot-lambert (fL)

Important unit notes

•Luminance is a directional photometric quantity and should not be confused with illuminance.
•A candela per square metre is also commonly called a nit.

Conversion factors are maintained against documented standards and definitions. Some displayed decimals are rounded for readability.How accuracy is handled·Sources

Supported units

Candela/square meter

Candela/square centimeter

Candela/square foot

Lambert (L)

Foot-lambert (fL)

About this converter

This tool converts through a consistent base-unit relationship defined for the luminance converter. It is designed for quick everyday use while preserving more internal precision than is normally useful to display.

Read the conversion methodology →

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