Critical angle, °
Calculate Critical angle, ° instantly with the exact formula and a worked example. Free online calculator — no signup.
Critical angle, °
n₁
n₂
Critical angle, °
41.8103
More about: Critical angle, °
What it calculates
The “Critical angle, °” calculator computes Critical angle, ° from 2 parameters: n₁, n₂.
A standard physics formula used in educational and engineering tasks.
Example calculation
With parameters n₁ = 1.5, n₂ = 1 the result is 41.81.
How to use
- Enter the parameter values — every field above is adjustable with a slider.
- The result and related metrics are calculated automatically as you type.
- Use the additional metrics shown (if any) where needed.
- Copy the result or bookmark the page.