Welcome to pseudonomen137's Diameter Calculator for Laser Beams!
Sorry, but I really couldn't think of a better intro.

Please measure the data from your laser while wearing saftey goggles to obtain the most accurate readings.

If your diameter measurement was at the aperture of the laser, please enter a distance of 0 feet or meters, and then the diameter at aperture.

At , the beam's diameter is

This laser's divergence has been calculated to be mRad.

At a distance of the laser's beam diameter will be

pseudonomen137's Laser Calculators

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