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Guide to Lux Levels
Optimal Lighting Levels for Every Space
What are Lux Levels?
Lux levels help you figure out how much light a space needs. Lux is the unit used to measure illuminance — it tells you how much light hits a surface. One lux equals one lumen per square metre. To light a space properly, you need to know how much lux is required based on the size of the area and what it’s used for.
Light Uniformity for Optimal Light Distribution
Light uniformity is another essential element in getting your light levels correct. Uniformity of light refers to the even distribution of illumination across a given space, minimising variations in brightness. It is typically measured as the ratio of minimum to average illuminance (U₀ = E_min / E_avg).
The Effects of Uniform Lighting
Good lighting design considers lux levels and light uniformity to enhance both functionality and aesthetics while maintaining efficiency. Below we have provided a handy guide to lux levels for various spaces to get you started. Keep in mind, these are general recommendations. It’s always best practice to measure the appropriate lux levels for your particular project.
Visual Comfort
High uniformity reduces eye strain and discomfort by preventing harsh contrasts or dark spots.
Functionality & Safety
In workplaces, roads, and public areas, consistent lighting ensures clear visibility and reduces the risk of accidents.
Aesthetics & Ambience
Uniform lighting contributes to a balanced, pleasant atmosphere, avoiding unwanted shadows or overly bright areas.
Energy Efficiency
Proper uniformity prevents over-lighting in some areas and under-lighting in others, optimising energy use.
What’s the Right Lux Level for My Space?
Correct lux levels are vital in industrial environments to ensure safety, accuracy, and efficiency across work areas like warehouses, factories, and workshops. Depending on the task, levels can range from 50Lx in storage areas to 5,000Lx in precision work zones.
FACTORIES
AIRCRAFT HANGARS
COLD STORES
DISTRIBUTION CENTRES
FOOD PRODUCTION
FREEZERS
WAREHOUSING
WORKSHOPS
AGRICULTURE
