Lumens Calculator

Quickly calculate the total lumens needed for your room

Calculate total lumens needed for your room

Measurement System

Imperial (ft/in)

Metric (m/mm)

Room Length (millimeters (mm) or meters (m))

Room Width (millimeters (mm) or meters (m))

Room Type

Custom Lumens per Square Metre (optional)

Override the recommended lm/m² if you have specific requirements