![lumens to candela lumens to candela](https://www.lumen.it/content/images/thumbs/0000765_candela-vegetale-jarlid-fragranza-brezza-di-mare-600ml.jpeg)
It is then multiplied by one minus the cosine of half the cone apex angle in degrees. Ф v (lm) = I v (cd) x 2∏ (1 – Cos (Ө/2)), where, the luminous flux in lumens is computed by multiplying the luminous intensity in candela by the two times pi. Ω (sr) = 2∏ (1 – Cos (Ө/2)), which means that the solid angle in steradians is calculated by two multiplied by pi times one minus the cosine of half the cone apex angle in degrees. Ф v (lm) = I v (cd) x Ω (sr), which means that for a uniform isotropic light source, the luminous flux in lumens is calculated by multiplying the luminous intensity in candela by the solid angle in steradians. They are incorporated in the program to enable it determine accurate results in seconds. The Candela to lumens calculator uses a particular formula in executing the conversions. Click the ‘Calculate’ button and the Luminous flux result in lumens will be To calculate using the calculator, enter 480 in the text field of luminous intensity in candela and 75° as the apex angle respectively. If the luminous intensity in candela is 480 cd and the apex angle is 75°, find the luminous flux in lumens. If you want to perform new conversions, you will use the ‘Reset’ button to clear all the text fields. It is used to execute the calculation and the Luminous flux result in lumens will be displayed in the bottom platform of the calculator. You will enter the apex angle in degrees in the second text field and then click on the ‘Calculate’ button. The first step is to enter the luminous intensity in candela. This calculator has two text fields and two controls which perform different functions of the calculator. Since Candela and lumens have different quantities the conversion would only be successful with an apex angle in degrees. It is a conversion calculator that converts the values in Candela (cd) to lumens (lm).
![lumens to candela lumens to candela](https://www.lumen.it/content/images/thumbs/0000802_2-candele-cilindriche-fragranza-arancia-21x21cm.jpeg)
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