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Candlepower to Lumens Calculator

Formula

To calculate lumens from candlepower:

$L = \text{CP} \times 12.57$

Where:

$\text{L}$ is the lumens
$\text{CP}$ is the candlepower

What is Candlepower?

Candlepower is a unit of luminous intensity, representing the amount of light emitted by a source. It is also known as luminous intensity and is derived from the brightness of a standard candle. In modern usage, it is often referred to in terms of candelas (cd), with one candlepower roughly equal to 0.981 candelas.

Example Calculation

Assume a light source has a candlepower of 100:

Using the formula:

$L = 100 \times 12.57 = 1257 \text{ lumens}$

So, a candlepower of 100 corresponds to 1257 lumens.