This calculator provides an instant conversion among the main units of Illuminance.
Enter the value in any unit and this will be automatically converted in the other units.
SI Derived Units
US Customary and British Imperial Derived Units
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Whilst every attempt has been made to make certain the accuracy of the metric calculators and other relevant information provided in this site, we are not in a position to make a guarantee or be held responsible for any errors which have been made or for the approximations required by the intrinsic rounding applied by calculators. All of the content is provided “as is”, without warranty of any kind. If you notice an error on this site, we would be grateful in case you could report it by using our contact page here. We will endeavor to investigate and in case correct it as quickly as possible. Please also check our Terms and Conditions.