Illuminance Conversions

Convert illuminance units between lux, kilolux, foot-candle, and phot.
Used in lighting design, photography, and workplace safety standards.

Illuminance Converter

Convert between lux, kilolux, foot-candle, and phot illuminance units. Enter any value to update all others — direct sunlight measures about 100,000 lux.

Embed This Calculator

Copy the code below and paste it into your website or blog.
The calculator will work directly on your page.