Compare calculators

Both calculators run independently — change the inputs on either side to compare results.

Snell's Law Calculator

Determine the refraction angle when light passes between two media of different refractive indices using Snell's Law. Useful in optics coursework, lens design, and understanding phenomena like rainbows and fiber optics.

Refractive Index 1

Incident Angle (°)

Refractive Index 2

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Optics

Brewster's Angle Calculator

Calculate Brewster's angle — the incidence angle at which reflected light is perfectly polarized — given two media's refractive indices. Essential for optics design, laser engineering, and polarization experiments.

First Medium Refractive Index

Second Medium Refractive Index

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Key differences

	Snell's Law Calculator	Brewster's Angle Calculator
Category	Optics	Optics
Inputs required	3	2
Result	Refracted Angle (°)	Brewster's Angle (°)
What it does	Determine the refraction angle when light passes between two media of different refractive indices using Snell's Law. Useful in optics coursework, lens design, and understanding phenomena like rainbows and fiber optics.	Calculate Brewster's angle — the incidence angle at which reflected light is perfectly polarized — given two media's refractive indices. Essential for optics design, laser engineering, and polarization experiments.