# Millicandela to lumens calculator

Millicandela (mcd) to lumens (lm) calculator and how to calculate.

### Millicandela to lumens calculator

Enter the luminous flux in lumens, apex angle in degrees and press the Calculate button

to get the luminous intensity in millicandela:

 Enter Luminous intensity result in millicandela: mcd Enter apex angle in degrees: ° luminous flux result in lumens: lm

Lumens to millicandela calculator ►

### Millicandela to lumens calculation

For uniform, isotropic light source, the luminous flux Φv in lumens (lm) is equal to the luminous intensity Iv in millicandela (mcd),

times the solid angle Ω in steradians (sr) divided by 1000:

Φv(lm) = Iv(mcd) × Ω(sr) / 1000

So The solid angle Ω in steradians (sr) is equal to 2 times pi times 1 minus cosine of half the apex angle θ in degrees (°):

Ω(sr) = 2π(1 - cos(θ/2))

So The luminous flux Φv in lumens (lm) is equal to the luminous intensity Iv in millicandela (mcd),

times 2 times pi times 1 minus cosine of half the apex angle θ in degrees (°) divided by 1000:

Φv(lm) = Iv(mcd) × ( 2π(1 - cos(θ/2)) ) / 1000

So

lumens = millicandela × ( 2π(1 - cos(degrees/2)) ) / 1000

Or

lm = mcd × ( 2π(1 - cos(°/2)) ) / 1000

## Features of Millicandela to lumens Calculator

Our Millicandela to lumens Calculator allows the users to Calculate Millicandela to lumens . Some of the prominent features of this utility are explained below.

#### No Registration

You don’t need to go through any registration process to use the Millicandela to lumens Calculator. Using this utility, users to Calculate Millicandela to lumens as many times as you want for free.

#### Fast conversion

This Millicandela to lumens Calculator offers users the fastest Calculate. Once the user enters the  Millicandela to lumens values ​​in the input field and clicks the Calculate button, the utility will start the conversion process and return the results immediately.

#### Saves Time and Effort

The manual procedure of Calculator Millicandela to lumens isn’t an easy task. You must spend a lot of time and effort to complete this task. The Millicandela to lumens Calculator allows you to complete the same task immediately. You will not be asked to follow manual procedures, as its automated algorithms will do the work for you.

##### Accuracy

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You don't need to go through any registration process to use this Millicandela to lumens Calculator. You can use this utility for free and do unlimited Millicandela to lumens Calculate without any limitations.