Laser Safety Calculator

Calculate MPE, NOHD, and required eyewear OD for laser safety analysis.

MPE Inputs
Enter wavelength and exposure duration to calculate MPE.
Abridged Optics — Laser Safety Calculator v1.0Educational tool only \u2014 not a substitute for formal laser hazard analysis per ANSI Z136.1. Simplified MPE values may differ from standard tables. Always consult the full standard and your Laser Safety Officer.

All information, equations, and calculations have been compiled and verified to the best of our ability. For mission-critical applications, we recommend independent verification of all values. If you find an error, please let us know.