Lux Guideline

What is Lux ?

Lux, or footcandle, is a measurement unit of light intensity, which is also called “illuminance” or “illumination”. It is used to describe the number of lumens falling on a square meter(lux) or square foot(footcandle)

How to know what lux reached for lighting project

Using a lux meter is the best way to measure light lux. The lux meter can gives visual reference to choose the optimal light intensity for a lighting project.

Lux recommendations for different scenarios

Facility TypeLight Level
(Lux)		Light Level
(Foot-candles)
Indoor environment
Restaurant/cafe shop200-300 lux20-30 FC
Retail store200-500 lux20-50 FC
Hospital100-200 lux10-20 FC
Classroom/school300-500 lux30-50 FC
Conference Room300-500 lux30-50 FC
Dormitory/living room200-300 lux20-30 FC
Library200-500 lux20-50 FC
Office300-500 lux30-50 FC
Exhibit Space300-500 lux30-50 FC
Gym200-300 lux20-30 FC
Lobby/Info desk200-300 lux20-30 FC
Stairway50-100 lux5-10 FC
Parking garage50-100 lux5-10 FC
Mechanical / Electrical Room200-500 lux20-50 FC
Loading Dock100-300 lux10-30 FC
Warehouse (General)100-200 lux10-20 FC
Factory300-700 lux30-70 FC
Outdoor environment
*Roadway8-15 lux0.8-1.5 FC
Parking Lots10-30 lux1-3 FC
Building surroundings100-200 lux10-20 FC
Building entrance30-50 lux3-5 FC
Gas/Petrol station100-300 lux10-30 FC
Square50-100 lux5-10 FC
*Roadway Lighting Project lux guideline
Raod and Pedestrian Conflict AreaPavement Classification
RaodPedestrian conflict areaR1R2 & R3R4
Freeway Class A 6 lux9 lux8 lux
Freeway Class B 4 lux6 lux5 lux
ExpresswayHigh10 lux14 lux13 lux
Medium8 lux12 lux10 lux
Low6 lux9 lux8 lux
MajorHigh12 lux17 lux15 lux
Medium9 lux13 lux11 lux
Low6 lux9 lux8 lux
CollectorHigh8 lux12 lux10 lux
Medium6 lux9 lux8 lux
Low4 lux6 lux5 lux
LocalHigh6 lux9 lux8 lux
Medium5 lux7 lux6 lux
Low3 lux4 lux4 lux