Question: how many lumens per square foot in a bathroom?
Answer: However, if you can't make calculations or quickly need to know how many lumens are needed per square foot for a garage or workshop, you can try the lumens quick guide below for an average estimate: Workspace or garage: 8,000 to 10,000 lumens. Kitchen work areas: 7,000 to 8,000 lumens. Bathroom: 7,000 to 8,000 lumens.