Illuminance Converter
Practical Applications
Lighting design, photography, architecture, occupational safety, horticulture, and cinema.
Historical Context
Scientific measurement of illuminance developed in the 19th century with pioneering work in photometry by Johann Lambert and later Pierre Bouguer.
Did You Know?
On a clear sunny day, outdoor illuminance can reach 100,000 lux, while full moonlight provides only about 0.25 lux.
Common pairs of Illuminance