Combien de lumens ?
Quick answer
Type de pièce × surface = le nombre de lumens (et d'ampoules) à acheter.
- Gratuit, sans inscription, sur tous les appareils.
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
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