How Many Lumens Is A 500 Watt Halogen. And hence, a 500w halogen bulb produces 500 * 14 = 7000 lumens. For a 500w bulb, it’s typically 14 to 20 lm/w.
The range is made up of different efficiency. Click to see full answer. * the predefined luminous efficacy values are typical / average values.
