The old days of choosing light bulbs by wattage are over. With today’s modern LED bulbs, we instead need to focus on lumens. But what is a lumen? We’ll explain that, and then you can use our lumens to watts conversion chart to select the right LED bulb every time. ...
Thus, with a luminous efficacy of 100 lm/W, for producing 1200 lumens, the required power is 12 watts. Light bulbs efficiency comparison chart The following table shows a range of luminous efficacies for different light bulbs: Luminous efficacies of different light bulbs. Light bulb type Luminous...