cd/m², nit, ft-L, stilb, lambert.. Luminance Converter is a free online tool from the ToolsRift Special Unit Converters collection. It runs entirely in your browser — nothing to install, no signup, and your data never leaves your device.
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How to use Luminance Converter
Enter a luminance in any field. It converts to cd/m² using the unit factor, then redistributes to every other luminance unit.
Frequently asked questions
Is a nit the same as cd/m²?
Yes — 1 nit equals exactly 1 candela per square metre, the SI luminance unit.
How many cd/m² is a foot-lambert?
1 ft-L equals 3.4262590996 cd/m², the factor used in cinema and display specs.
What is a stilb?
1 stilb equals 10,000 cd/m² (1 cd/cm²), a CGS luminance unit.
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