According to the search results, the LED bulb equivalent to a 100-watt incandescent bulb varies depending on the manufacturer and the bulbs quality. However, a 100-watt incandescent bulb produces 1600 lumens of light, and a 12-14 watt LED bulb gives off the same amount of light. Another source suggests that an LED bulb with 1500 lumens and 13 watts is equivalent to a 100-watt incandescent bulb. Therefore, when looking for an LED bulb equivalent to a 100-watt incandescent bulb, it is essential to check the lumens produced by the LED bulb rather than the wattage.