Ideal Gas Law Calculator PV = nRT Solve for Pressure (P) Solve for Volume (V) Solve for Moles (n) Solve for Temperature (T) Pressure (P) Pascals (Pa) Kilopascals (kPa) Atmospheres

Interactive Laser Beam Divergence Calculator How to Use This Calculator This calculator determines the divergence angle, Rayleigh range, and spot size at a distance for a laser beam. Enter the

Interactive Angular Resolution Calculator How to Use This Calculator This calculator determines the angular resolution of an optical instrument (like a telescope or an eye) based on the Rayleigh Criterion.

Interactive Bragg's Law Calculator How to Use This Calculator This calculator uses Bragg's Law (nλ = 2d sinθ) to determine parameters related to X-ray diffraction from crystal lattices. Select which