This article is about the unit of measure. For other uses, see Nit

A nit is a non-SI unit of luminance equal to one candela per square metre (cd/m²). It is often used to quote the brightness of computer displays, which typically have luminances of 200 to 300 nits.

The SI unit of luminance is the candela per square metre.

See also

• Liquid crystal display
• Light-emitting diode
• Photometry (optics)