Led Light Beam Angle Calculator

Most leds produce a lambertian beam.

Led light beam angle calculator.

Enter the size of your led chip or select from one of the defaults we have entered and the desired lens size to calculate the achievable beam angle. Use our lux lumens calculator to determine how much light is needed for your industrial lighting application. Lamps such as halogens and some leds come in a variety of angles from 4 degree to 60 degree with some of the larger halogen lamps up to 120 degree. Beam angle calculator december 11 2007 by rob sayer on stage lighting presents a simple beam angle calculator to help you find the correct spotlight for your show.

Use this calculator to determine either the size of the circle of light how far away you should place the light or which degree of lens you should use. Use the number of lights calculator to get an approximate number of recessed lights a room needs for general lighting. The amount of lux in an area or on a surface can vary depending upon the distance the light travels and the angle at which it is dispersed. Enter lens beam angle distance from wall and height.

How to use it. This calculator provides a rough estimate based on a etendue calculation. Values can be in feet or meters but both values must match. The beam angle is the angle of radiation for a light source.

This can be determined very well with the beam angle calculator. For example a beam angle on 30 degrees means the light has a shape of a cone and its borders form a 15 degree angle with the center axis. 1 866 609 0282 toll free. This convenient calculator will determine the beam angle the beam spot size or the distance of a beam.

If you already know which lights you want to install you can enter their size and beam angle to get the approximate number of lights needed. Then you can use the placement calculator on the next page to get an idea of where to place them. Figure out the led lens beam angle needed. The ideal beam angle usually depends very individually on the place of use of the lamp and on your own use case.

Distance from surface to light. Please note that the estimate works for leds with a lambertian beam angular profile. Handy tool to calculate the size of the light beam coverage. For example a 1 candela light source will product 1 lumen per square meter at the distance of 1 meter.

If you need to project a gobo image to a certain size or the pool of a spotlight to be a specific width you need to find out the beam angle. Just enter two known values and click the calculate button to calculate the unknown value you are looking for.