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How Many Lumens?

Quick answer

Room type × square footage = the lumen count (and bulb count) to buy.

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Figures are estimates from this calculator’s standard formula — adjust the inputs in the tool below for your exact number.

How Many Lumens?

Room type × square footage = the lumen count (and bulb count) to buy.

Step 1 of 2

The roomEach room type has a footcandle target — pick yours.

sq ft