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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

Fill in the required fields to see your result.

Optics

Polarization Calculator

Calculate the intensity of light transmitted through a polarizer and analyzer using Malus's Law. Perfect for optics students and engineers designing polarized optical systems.

Initial Light Intensity (W/m²)

Polarizer Angle (degrees)

Analyzer Angle (degrees)

Initial Light Type

Fill in the required fields to see your result.

Key differences

	Snell's Law Calculator	Polarization Calculator
Category	Optics	Optics
Inputs required	3	4
Result	Refracted Angle (°)	Transmitted Intensity (W/m²)
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 the intensity of light transmitted through a polarizer and analyzer using Malus's Law. Perfect for optics students and engineers designing polarized optical systems.