Foot-lambert
id:
foot-lambert-237-10332830
title:
Foot-lambert
text:
A foot-lambert or footlambert is a unit of luminance in United States customary units and some other unit systems. A foot-lambert equals 1/π or 0.3183 candela per square foot, or 3.426 candela per square meter. The foot-lambert is named after Johann Heinrich Lambert (1728–1777), a Swiss-German mathematician, physicist and astronomer. It is rarely used by electrical and lighting engineers, who prefer the candela per square foot or candela per square meter units. The luminance of a perfect Lambert
brand slug:
wiki
category slug:
encyclopedia
description:
Unit of measurement; 1/π candela per square foot; approximately 3.43 candela per square metre
original url:
https://en.wikipedia.org/wiki/Foot-lambert
date created:
date modified:
2022-08-10T01:14:48Z
main entity:
{"identifier":"Q5465726","url":"https://www.wikidata.org/entity/Q5465726"}
image:
fields total:
13
integrity:
14