Recommended Lux Levels

Lux targets for common spaces, aligned with international standards like EN 12464-1 and IES guidance.

Space or task Recommended
Corridors 100 lux
General office 300 to 500 lux
Detailed tasks 750 to 1,000 lux
Retail 500 to 750 lux
Classroom 300 to 500 lux
Warehouse 100 to 200 lux
Surgical task lighting 10,000 lux and up
Outdoor parking 10 to 50 lux
Task tuning. These are maintained levels on the work plane. Provide higher general levels where tasks are demanding or contrast is low.

See the Recommended Foot Candle Levels and Lux Formula.

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The calculators and tools on Formula Factory are provided for general guidance and informational purposes only. Results are estimates based on standard formulas and the values you enter — they do not constitute professional engineering, electrical, or architectural advice. Always verify calculations with a qualified professional before making decisions for any safety-critical, code-compliance, or commercial application. Formula Factory makes no representations or warranties as to the accuracy or completeness of any result, and accepts no liability for errors, omissions, or any outcomes arising from reliance on this information.