Optics Calculators

All optics calculators in one place.

Calculate image distance, object distance, or focal length using the lens formula.

Calculate image distance, object distance, or focal length using the mirror formula.

Calculate the magnification of a lens or mirror.

Calculate the refractive index of a medium from light speed or angle data.

Calculate the angle of refraction using Snell's Law.

Calculate the critical angle for total internal reflection.

Calculate the optical power of a lens from its focal length.