## Lumens To Millicandela Conversion Calculator

### Lumens to Millicandela calculator

It is a conversion calculator that is used to convert the luminous flux in lumens (lm) to the luminous intensity in Millicandela (mcd). It uses a simple program in executing the calculations making it an effective online calculator. The initial step is to enter the value of the luminous flux in lumens. Proceed to the next text field where you enter the apex angle in degrees. Afterwards, click on the ‘Calculate’ button to execute the conversion. To perform new calculations, you will use the ‘Reset’ button to clear the previous calculations from the text fields. The luminous intensity result in Millicandela will be displayed in the bottom platform of the calculator below the two controls.#### For example;

Determine the luminous intensity in Millicandela if the luminous flux in lumens is 324 (lm) and the apex angle in degrees is 65°.##### Solution;

First, you need to enter 324 in the luminous flux in lumens text field and 65 as the apex angle in degrees respectively. Afterwards, click on the ‘Calculate’ button. The luminous intensity result in Millicandela will be displayed as; 329268.10307 (mcd).This calculator uses particular formulas in executing the calculations

#### Formula of calculating lumens to Millicandela

Iv (mcd) = 1000 x фv (lm) / Ω (sr). It means that for uniform isotropic light source, the luminous intensity in Millicandela is calculated by multiplying 1000 by the luminous flux in lumens. The result is then divided by the solid angle in steradians.Ω (sr) = 2∏ (1 – cos (Ө/2)), where the solid angle in steradians is computed by two multiplied by pi times; one minus cosine of half the apex angle in degrees.

Iv (mcd) = 1000 x фv (lm) / 2∏ (1 – cos (Ө/2)), which means that the luminous intensity in Millicandela is calculated by multiplying 1000 by the luminous flux in lumens. The result is then divided by two multiplied by pi times; one minus the cosine of half the apex angle in degrees.

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