## Candela to Lumen Calculator

### Calculation Formula

The formula to calculate Lumens (\(lm\)) from Candela (\(cd\)) is:

\[ lm = cd \times (2 \pi (1 - \cos(\theta / 2))) \]

Where:

- \(lm\) is the luminous flux in lumens.
- \(cd\) is the luminous intensity in candela.
- \(\theta\) is the beam angle in degrees.

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