Luminance converter

Convert cd/m², nit and foot-lambert.

Conversion

This tool lets you convert luminance between candelas per square meter, nits and foot-lamberts.

Result

Approximation

Enter a luminance value to convert.

Quick explanation

Enter a positive or zero luminance value, then choose the source and target units.

The nit is equivalent to cd/m².

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Convert illuminance

For lux and foot-candles, use the illuminance converter.

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Additional information

Nit and cd/m²

Nit is a common name for candela per square meter. Both units therefore have the same value.

Foot-lambert

Foot-lambert appears mostly in some video, cinema and projection contexts.

Luminance and illuminance

Luminance describes light emitted or perceived in a direction. It should not be confused with illuminance received by a surface.

Local calculation

The conversion is performed client-side.

Limits and reuse

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