![]() The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. The cookie is used to store the user consent for the cookies in the category "Performance". This cookie is set by GDPR Cookie Consent plugin. The cookies is used to store the user consent for the cookies in the category "Necessary". The cookie is used to store the user consent for the cookies in the category "Other. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". The cookie is used to store the user consent for the cookies in the category "Analytics". These cookies ensure basic functionalities and security features of the website, anonymously. Necessary cookies are absolutely essential for the website to function properly. The result is then divided by the surface area in square meters. The result is then divided by the surface area in square feet.Įv (lx) = P (W) x η (lm / W) / A (m), where the illuminance in lux is calculated by the power in watts multiplied by the luminous efficacy in lumens per watt. The illuminance result in lux will be 155.000304 (lx).įormula used in calculating watts to lux Squared feetĮv (lx) = 10.76391 x P (W) x η (lm / W) / A (ft2), which means that the illuminance in lux is calculated by 10.76391 multiplied by the power in watts by the luminous efficacy in lumens. You can also choose to display the values in meters. The spherical radius will be calculated automatically as 8.9206205808 feet. Select LED lamp as the source of light and then enter 1000 as the surface area. Similarly, if you want to replace your 53W halogen light bulb with a modern LED, the LED will probably use. If you are using the calculator, you will first enter 240 as the power in watts. Using the chart we can see that if you want to replace a 40W incandescent light bulb with a compact fluorescent (CFL), you will likely need a 7W CFL. ![]() Your results are displayed within a single click in the bottom platform of the calculator below the two controls.ĭetermine the illuminance in lux of a LED lamp having 240 watts and a surface area of 1000 square feet. The next step is to enter the surface are or the spherical radius and then click the ‘Calculate’ button to initiate the process of conversion. If you do not find the particular appliance, you will manually enter the value of luminous efficacy in lumens per watt. Select the light source in the options provided by the calculator. The first step is to enter the value of power in watts. The watts to lux calculator also has two controls, ‘Calculate’ and ‘Reset’ buttons which operate independently performing different functions of the calculator. the predefined luminous efficacy values are typical / average values. It has four text fields and options of executing the conversion. ![]() ![]() It is used to convert the electric power in watt (W) to illuminance in lux (lx). What is a Blog and Why Do You Need One to Make Money Online from Your blog. ![]()
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