A Lux
<p> <span style="color: rgb(34, 34, 34); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Lato, Helvetica, Arial, sans-serif;">In the </span><a href="https://en.m.wiktionary.org/wiki/International_System_of_Units" title="International System of Units" style="background: none rgb(255, 255, 255); margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Lato, Helvetica, Arial, sans-serif; vertical-align: baseline; color: rgb(107, 75, 161); hyphens: none;">International System of Units</a><span style="color: rgb(34, 34, 34); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Lato, Helvetica, Arial, sans-serif;">, the </span><a href="https://en.m.wiktionary.org/wiki/derived_unit" title="derived unit" style="background: none rgb(255, 255, 255); margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Lato, Helvetica, Arial, sans-serif; vertical-align: baseline; color: rgb(107, 75, 161); hyphens: none;">derived unit</a><span style="color: rgb(34, 34, 34); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Lato, Helvetica, Arial, sans-serif;"> of </span><a href="https://en.m.wiktionary.org/wiki/illuminance" title="illuminance" style="background: none rgb(255, 255, 255); margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Lato, Helvetica, Arial, sans-serif; vertical-align: baseline; color: rgb(107, 75, 161); hyphens: none;">illuminance</a><span style="color: rgb(34, 34, 34); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Lato, Helvetica, Arial, sans-serif;"> or </span><a href="https://en.m.wiktionary.org/wiki/illumination" title="illumination" style="background: none rgb(255, 255, 255); margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Lato, Helvetica, Arial, sans-serif; vertical-align: baseline; color: rgb(107, 75, 161); hyphens: none;">illumination</a><span style="color: rgb(34, 34, 34); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Lato, Helvetica, Arial, sans-serif;">; one </span><a href="https://en.m.wiktionary.org/wiki/lumen" title="lumen" style="background: none rgb(255, 255, 255); margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Lato, Helvetica, Arial, sans-serif; vertical-align: baseline; color: rgb(107, 75, 161); hyphens: none;">lumen</a><span style="color: rgb(34, 34, 34); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Lato, Helvetica, Arial, sans-serif;"> per </span><a href="https://en.m.wiktionary.org/wiki/square_metre" title="square metre" style="background: none rgb(255, 255, 255); margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Lato, Helvetica, Arial, sans-serif; vertical-align: baseline; color: rgb(107, 75, 161); hyphens: none;">square metre</a><span style="color: rgb(34, 34, 34); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Lato, Helvetica, Arial, sans-serif;">. Symbol: lx</span></p>