قالب:الوحدات الدولية لقياس الضوء
| الكمية | الرمز | الوحدة | الاختصار | هوامش | ||||
|---|---|---|---|---|---|---|---|---|
| Luminous energy | Qv | lumen second | lm·s | units are sometimes called talbots | ||||
| Luminous flux | F | lumen (= cd·sr) | lm | also called luminous power | ||||
| Luminous intensity | Iv | candela (= lm/sr) | cd | an SI base unit | ||||
| Luminance | Lv | candela per square metre | cd/m2 | units are sometimes called nits | ||||
| إضاءة | Ev | lux (= lm/m2) | lx | يستخدم للتعبير عن الضوء على سطح ماء | ||||
| Luminous emittance | Mv | lux (= lm/m2) | lx | Used for light emitted from a surface | ||||
| Luminous efficacy | لومن لكل واط | lm/W | ratio of luminous flux to radiant flux | |||||
| SI • القياس الضوئي | ||||||||