Convert between lumens and watts for incandescent, halogen, CFL and LED lightbulbs. Lumens is a unit of luminous flux (brightness), watts is a unit of power.

Luminous flux in lumens (lm) to electric power in watts (W) calculator. Enter the luminous flux in lumens, luminous efficacy in lumens per watt and press the Calculate button to get the power in watts:

Depending on the bulb and the manufacturer, LED technology typically produces 75-110 lumens/watt. So, LEDs are generally about 7 times more efficient at producing light than incandescent bulbs. Use a 7:1 ratio as a rough guide when selecting an LED bulb to replace an incandescent bulb.

Nov 29, 2024 · To calculate how many watts are needed for a certain number of lumens, use this simple formula: Watts = Lumens / Luminous Efficacy (lm/W) For example, if an LED bulb provides 900 lumens and has a luminous efficacy of 100 lumens per watt (lm/W), it …

Oct 31, 2023 · So, for 800 lumens, the calculation would be 800 lumens / 80 = 10 watts. The result shows that an LED bulb providing 800 lumens only consumes about 10 watts of power. By contrast, a traditional incandescent bulb would require approximately 53 watts to become as luminous as a comparable LED bulb.

Lumens to watts conversion. Example 1: You see an offer for an LED torchiere. The light output is 1800 lumens and you want to know how bright it is compared to an old halogen torchiere. In the calculator you have to select Lumens to Watts as conversion type, enter the value 1800 and select the item Halogen lamp as comparison type.

How Many Watts is 800 Lumens? To known what is 800 lumens in watts, use each light source’s watts to lumens efficacy. Common examples are: 60 watts with legacy Tungsten Incandescent; 8 watts to 15 watts with LED; 15 watts to 20 watts with CFL; Not all LEDs require the same amount of power to create the same light output.

A 60-watt incandescent bulb emits approximately 800 lumens. Watt is a unit of power, which measures the rate of energy consumption by a device, including light sources. It tells you how much energy the light source consumes to produce light. It does not directly indicate brightness (a 10W LED can be brighter than a 60W incandescent bulb). Example:

Effortlessly convert lumens to watts with our user-friendly calculator. Simplify lighting decisions and energy efficiency assessments with accurate conversions. Perfect for homeowners, businesses, and anyone seeking to make informed lighting choices.

May 3, 2024 · Lumens to watts calculator will help you calculate the efficiency of your light-emitting diodes and other bulbs based on their brightness-to-power ratio. Or, you can find the required watts based on their lumens and efficacy.