Start with the amount of candlepower Determine the total amount of candlepower you wish to convert. That is the starting figure. Multiply by More From Reference. How to Calculate Efficacy. How to Change Electrical Amps to Watts. How to Calculate Light Intensity. How to Convert Foot-Candles to Lux. How to Calculate Metric Conversions. Candela measures the amount of light in a particular direction.
Candlepower is a great name for one of the top flashlight forums. Lumens comes from Luminous Flux and is the total amount of light that comes out of a source of light. The big difference here is that Candlepower and Candela measure light is a direction while Lumens measure all light is all directions. So to imagine this we assume that our light source is in ball sphere and then the inner surface area of that ball is all of the directions of the ball.
Now with a little jumping in order to make the image work we will say that the inner surface area represents all of the light which is Lumens and the radius line represents the Candela in a specific direction. Now for the last step in our conversion formula. That is really close to that Actually pi is more than 3.
Converting Candlepower to Lumens or Candela to Lumens makes sense if the measurement of Candela is given in Spherical Candela and is intended to represent the total light output of the light.
An example of this is when a light bulb or lamps brightness is given in Candela or Candlepower. Obviously this is not supposed to be a representation of light in a single direction. Product Category. What's your issue? Call back in 5 minutes 15 minutes 30 minutes 1 hour 1.
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