NOTE – This unit was sometimes called the nit (nt) (name discouraged).
Other units of luminance :
metric, non-SI : lambert ( L )= 10 4 π cd⋅ m −2 MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHXgaruavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaiqaciWacmGadaGadeaabaGaaqaaaOqaamaabmaabaGaamitaaGaayjkaiaawMcaaiabg2da9maalaaabaGaaGymaiaaicdadaahaaWcbeqaaiaaisdaaaaakeaaimaacqWFapaCaaGaae4yaiaabsgacqGHflY1qaaaaaaaaaWdbiaab2gapaWaaWbaaSqabeaacqGHsislcaaIYaaaaaaa@43F9@
non-metric : footlambert (fL) = 3.426 cd • m-2.