Lux To Lumens Conversion Calculator
Lux to Lumens calculatorIt is a conversion calculator that converts the illuminance in lux (lx) to luminous flux in lumens (lm). It has three text fields and two controls that perform independent functions of the calculator. The initial step is to enter the value of illuminance in lux. Select the unit type either area in square feet or area in square meters. Proceed to the next text fields where you can either enter the spherical radius or the surface area. Confirm that you have entered the appropriate values in their respective text fields and then click the ‘Calculate’ button. The luminous flux result in lumens will be displayed below the two controls in the bottom platform of the calculator.
For example;If the illuminance is 500 (lx) and the spherical radius is 16 feet, determine the luminous flux result in lumen.
Solution;If you are using the calculator, you will first enter 500 in the illuminance in lux text field. Select the unit type as area in square feet and enter 16 as the spherical radius.
The surface area will be calculated automatically based on the spherical radius. Afterwards, click on the ‘Calculate’ button to execute the conversion. The luminous flux result in lumens will be displayed as;
= 149434.11608 lm
Formula of calculating lux to lumens
FeetФ v (lm) = 0.09290304 x Ev (lx) x A (ft2), which means that the luminous flux in lumens is calculated by multiplying 0.09290304 by the illuminance in lux multiplied by the surface area in square feet.
Ф v (lm) = 0.09290304 x Ev (lx) x 4.∏.r (ft) 2, which means that the luminous flux in lumens is calculated by multiplying the illuminance in lux by 0.09290304. The result is then multiplied by four times pi by the squared sphere radius in feet.
MetersФ v (lm) = Ev (lx) x A (m2), where the luminous flux in lumens is calculated by multiplying the illuminance in lux by the surface area in square meters.
Ф v (lm) = Ev (lx) x 4.∏.r (m) 2, which means that the luminous flux is calculated by multiplying the illuminance in lux by four times pi, multiplied by the squared sphere radius in meters.
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