Watts to lumens converter

Watts to Lumens Converter

Enter wattage and bulb type to find the exact brightness output in lumens.

Please enter a wattage value.

Brightness output
0
lm

Watts entered
Bulb type
Efficacy used
LED equivalent
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Common watt to lumen conversions
5W LED~400 lm (replaces 40W incandescent)
10W LED~800 lm (replaces 60W incandescent)
13W LED~1,100 lm (replaces 75W incandescent)
17W LED~1,600 lm (replaces 100W incandescent)
25W LED~2,600 lm (replaces 150W incandescent)
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The calculators and tools on LightingCalc.lighting are provided for general guidance and informational purposes only. Results are estimates based on standard formulas and the values you enter — they do not constitute professional engineering, electrical, or architectural advice. Always verify calculations with a qualified professional before making decisions for any safety-critical, code-compliance, or commercial application. LightingCalc.lighting makes no representations or warranties as to the accuracy or completeness of any result, and accepts no liability for errors, omissions, or any outcomes arising from reliance on this information.