Lumens to Lux Converter

Convert between lumens and lux instantly. Lux measures illuminance (light hitting a surface) while lumens measures total light output — the relationship depends on the area being lit. Convert either way.

Conversion direction
Lumens to lux

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Result
0 lux
0
Lux (lm/m2)
0
Foot-candles (fc)
0
Lumens total
Calculation
Typical lux levels for common spaces
Space / taskMin luxTarget luxYours
Input lumens
Area
Coefficient of utilization
Result in lux
Result in foot-candles
Formula used
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The calculators and tools on LightingCalc.lighting 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. LightingCalc.lighting 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.