nit

A unit of luminance in the meter-kilogram-second system of units, = 1 candela per square meter. Symbol, nt. The nit is more common in the United States than elsewhere, most preferring candelas per square meter.

A good LCD computer monitor has a brightness of about 250 nits.

International Commission on Illumination.
Proceedings
, session 11, page 145 (1948).

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