Professional illuminance converter for lighting design, photography, and architecture.
SI unit for illuminance. 1 lux = 1 lumen/m². Standard metric lighting measurement.
Imperial unit for illuminance. 1 fc = 1 lumen/ft² = 10.764 lux. Common in US lighting.
CGS unit for illuminance. 1 phot = 10,000 lux. Used in high-intensity applications.
Unit for luminance. 1 nit = 1 cd/m². Used for display brightness measurements.
Clear starry night. Minimum visibility for dark-adapted eyes.
Full moon on clear night. Navigation possible with adaptation.
Comfortable ambient lighting for relaxation and conversation.
Standard office lighting for computer work and reading.
Bright retail lighting to showcase products effectively.
Hospital operating room lighting for precision work.
Direct sunlight on clear day. Maximum natural illumination.
Sports field lighting for television broadcasting quality.
Soft, warm natural light ideal for portraits and landscapes.
Professional studio lighting setup for portrait photography.
Key light for professional video interview setup.
High-end cinema lighting for professional film production.
Artwork preservation lighting that prevents damage.
Comfortable reading light without eye strain.
Educational environment lighting for learning.
Patient comfort lighting for recovery.
Minimum emergency lighting for safe evacuation.
Safe navigation lighting for stairs and corridors.
Security and safety lighting for vehicle areas.
Public safety lighting for pedestrians and vehicles.