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Snell's Law Refraction Calculator

Calculate the refraction angle when light passes between two media using Snell's Law. Use it in optics coursework, lens design, or to find the critical angle for total internal reflection.

Incident Angle (degrees)

First Medium Refractive Index

Second Medium Refractive Index

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Optics

Optical Magnification Calculator

Find the total magnification of a microscope or telescope from objective and eyepiece focal lengths. Useful for students, lab technicians, and amateur astronomers configuring optical instruments.

Objective Focal Length (mm)

Eyepiece Focal Length (mm)

Tube Length (mm)

Optical System Type

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Key differences

	Snell's Law Refraction Calculator	Optical Magnification Calculator
Category	Optics	Optics
Inputs required	3	4
Result	Refracted Angle (degrees)	Total Magnification (×)
What it does	Calculate the refraction angle when light passes between two media using Snell's Law. Use it in optics coursework, lens design, or to find the critical angle for total internal reflection.	Find the total magnification of a microscope or telescope from objective and eyepiece focal lengths. Useful for students, lab technicians, and amateur astronomers configuring optical instruments.