# 8 Best Free Online Brewster’s Angle Calculator Websites

Here is a list of **best free online Brewster’s Angle Calculator websites**. **Brewster’s Angle** or **Polarizing Angle** is a concept of optics based on the polarization of light when encountered by refractive and reflective surfaces. At Brewster’s angle, the reflected light contains vibrations in only one plane (i.e. polarized). The calculation of Brewster’s angle is important in various fields like *designing polarized glasses, designing polarized filters, controlling the reflectivity of surfaces*, and more. If you also want to calculate the Brewster’s angle, then check out these online Brewster’s angle calculator websites.

Through these websites, users can quickly calculate Brewster’s angle. To do that, these websites mainly need two parameters: **Refractive Index 1** and **Refractive Index 2**. Refractive Index 1 represents the refractive index of the medium from which the light is coming. On the other hand, Refractive Index 2 represents the refractive index of the medium to which the light is incident. On some websites, users can also specify the SI unit (Radians or Degrees) of Brewster’s angle. An explanation of Brewster’s angle along with the calculation formula is also provided by some calculators. To help new users, I have also provided the calculation steps in the description of each website.

These websites also offer additional online calculators related to various fields like **Physics, Finance, Health, Maths, Statistics,** and more. Go through the list to learn more about these websites.

### My Favorite Online Brewster’s Angle Calculator Website:

**physicscalc.com **is my favorite website as it can calculate Brewster’s Angle along with both the Refractive Indexes(1 & 2). Plus, it also explains Brewster’s angle and shows the calculation formula.

You can also check out lists of best free Online Azimuth Calculator, Online Earthquake Energy Calculator, and Online Coterminal Angle Calculator websites.

### Comparison Table:

Shows Brewster's Angle Calculation Formula | Explains Brewster's Angle | Provides Calculation Steps | |
---|---|---|---|

physicscalc.com | ✓ | ✓ | x |

omnicalculator.com | ✓ | x | x |

gophotonics.com | ✓ | ✓ | x |

physicscalculatorpro.com | ✓ | ✓ | x |

easycalculation.com | ✓ | x | x |

calconcalculator.com | ✓ | ✓ | x |

symbolab.com | ✓ | x | x |

calculator.academy | ✓ | x | ✓ |

## physicscalc.com

**physicscalc.com** is a **free online brewster’s angle calculator website**. Using this website, users can calculate **Brewster’s angle, refractive index 1, **and **refractive index 2** values. To perform the calculation, it needs **Refractive Index 1** and **Refractive Index 2** values. After calculation, it shows the Brewster angle in **degrees**. However, users can also choose to view the final value in **Radian** and **Gradian** units.

This website also explains the Brewster angle and provides examples highlighting the Brewster angle calculation. Now, follow the below steps.

### How to calculate Brewster’s angle online using physicscalc.com:

- Visit this website and access the Brewster’s Angle Calculator.
- After that, select
**Find Brewster Angle**option from the Choose a Calculation menu. - Next, enter the Refractive Index 1 and Refractive Index 2 values.
- Finally, click on the
**Calculate**button to view the final Brewster’s angle value.

### Additional Features:

- This website also offers additional Physics calculators like Fisica, Velocity, Acceleration, Displacement, Kinetic Energy, and more.

### Final Thoughts:

It is one of the best free online Brewster’s angle calculators that can also be used to calculate the Refractive Angle values.

Pros | Cons |
---|---|

Explains Brewster’s angle with the help of examples | |

Can also calculate Refractive Index1 and Refractive Index 2 values |

## omnicalculator.com

**omnicalculator.com** is another free online Brewster’s angle calculator website. Through this website, users can calculate the Brewster Angle in Degrees, Radians, and Gradians units. Now, to find out the Brewster angle, users just need to enter two known Refractive Index 1 and Refractive Index 2 values. This website also explains Brewster’s Angle. Light Polarization, and Polarization by Reflection topics. Now, follow the below steps.

### How to calculate Brewster’s Angle online using omnicalculator.com:

- Visit this website using the given link.
- After that, enter the Refractive Index 1 and Refractive Index 2 values.
- Next, specify the brewster angle unit.
- In the end, view the calculated Brewster angle value.

### Additional Features:

- On this website, users get a wide range of online calculators covering topics like Physics, Sports, math, Health, Food, Finance, and more.

### Final Thoughts:

It is another good online Brewster’s angle calculator website that helps users calculate the Brewster’s angle value.

Pros | Cons |
---|---|

Explains light polarization topics |

## gophotonics.com

**gophotonics.com** is another free Brewster’s angle calculator website. This website comes with a standard Brewster’s angle calculator that uses the refractive index of the incident medium and the refractive index of the retracted medium values to find out the Brewster angle value. It also explains the Brewster’a angle and shows the formula used to calculate it. A diagram highlighting the incident, reflected, and refracted rays is also provided. Now, follow the below steps.

### How to calculate Brewster’s angle online using gophotonics.com:

- Visit this website using the given link.
- After that, enter the refractive index of the Incident Medium and the refractive index of the Refracted Medium values.
- Next, click on the
**Calculate**button to view Brewster’s angle value.

### Additional Features:

- This website also offers additional photonics calculators such as Lumens to Candela, Lux to Candela, Lux to Lumens, Lumens to Watts, etc.

### Final Thoughts:

It is another capable online Brewster’s angle calculator website that also shows the formula that it uses to perform the calculation.

Pros | Cons |
---|---|

Shows Brewster’s angle calculation formula | |

Shows incident, reflected, and refracted rays diagram |

## physicscalculatorpro.com

**physicscalculatorpro.com** is another free online Brewster’s angle calculator website. This website not only calculates Brewster’s angle but is capable of explaining it in detail. Brewster’s angle calculation example and Brewster’s angle formula are also provided by it. I also like its ability to calculate both Brewster’s angle and refracted angle values. To perform the Brewster’s angle calculation, users need to enter two known Refractive Index 1 and Refractive Index 2 values. Now, follow the below steps.

### How to calculate Brewster’s angle online using physicscalculatorpro.com:

- Launch this website and access the Brewster’s Angle Calculator.
- After that, select the
**Find Brewster Angle**option from the**Choose a Calculation**menu. - Next, enter the Refractive Index 1 and Refractive Index 2 values.
- Finally, click on the
**Calculate**button to start the calculation process.

### Additional Features:

- This website also offers additional online calculators such as Friction, Strain, Power, Heat, Reduced Mass, and more.

### Final Thoughts:

It is another good online Brewseter’s angle calculator website that explains Brewster’s angle and is capable of calculating refractive Index values.

Pros | Cons |
---|---|

Can also calculate refractive angle values | |

Answers common queries related to Brewster’s angle calculation |

## easycalculation.com

**easycalculation.com** is another free online Brewster’s angle calculator website. This website offers multiple online calculators one of which is a Brewster Angle Calculator. This calculator helps users calculate the Brewster **Angle in Degrees** and **Radian** units. It also shows the Brewster angle calculation formula and an example highlighting the polarization by reflection calculation. Now, check out the below steps.

### How to calculate Brewster angle online using easycalculation.com:

- Visit this website and access the Brewster angle calculator.
- After that, enter the light from a medium of index and incident upon a medium of index values.
- Next, choose a Brewster Angle SI unit.
- Finally, click on the
**Calculate**button to view the final value.

### Additional Features:

- This website also offers additional online tools such as Derivative Calculator, Inverse of Matrix Calculator, Currency Converter, Fraction Chart, and more.

### Final Thoughts:

It is another good online Brewster’s angle calculator website that also shows the Brewster’s angle calculation formula.

Pros | Cons |
---|---|

Shows Brewster’s angle calculation formula |

## calconcalculator.com

**calconcalculator.com** is another free online Brewster’s angle calculator website. This website helps users calculate Brewster Angle in various units like Degrees, Radian, Gradians, Turns, Minutes of Arc, and more. To perform the calculation, it needs refractive index 1 and refractive index 2 values. Apart from calculating Brewster’s angle, it also explains Brewster’s Angle, Light Polarization, and Polarization by reflection topics. Now, follow the below steps.

### How to calculate Brewster angle online using calconcalculator.com:

- Go to this website using the given link.
- After that, enter the refractive index 1 and refractive index 2 values.
- Next, choose an
**SI unit**for the Brewster angle. - Finally, view the calculated Brewster Angle value.

### Additional Features:

- This website also explains additional online tools such as Projectile Range Calculator, Rocket Equation Calculator, Magnitude of Acceleration Calculator, etc.

### Final Thoughts:

It is another good online Brewster’s angle calculator website that anyone can use without much hassle.

Pros | Cons |
---|---|

Explains Brewster’s angle in details |

## symbolab.com

**symbolab.com** is another free online Brewster’s angle calculator. Through this calculator, users can calculate Brewster’s angle in Radians and Degrees units. To find out the Brewster’s angle, users need to provide known Refrective Index 1 and Refrective Index 2 values. It also shows Brewster’s angle calculation formula. However, it doesn’t define Brewster’s angle in detail. Now, follow the below steps.

### How to calculate Brewster’s angle online using symbolab.com:

- Go to this website and access Brewster’s angle calculator.
- After that, enter the Refractive Index 1 and Refractive Index 2 values.
- Now, choose an SI unit Radian or Degrees.
- Finally, view the calculated Brewster’s angle value.

### Additional Features:

- This website offers a wide range of calculators associated with fields like Physics, Chemistry, Statistics, Geometry, Finance, Sales, Fitness, etc.

### Final Thoughts:

It is another good online Brewster’s angle calculator website that offers all the tools to calculate Brewster’s angle.

Pros | Cons |
---|---|

Shows Brewster’s angle calculation formula | Lacks information related to Brewster’s angle |

## calculator.academy

**calculator.academy** is another free online Brewster’s angle calculator website. This website not only helps users calculate the Brewster’s angle but also shows the Brewster’s angle calculation steps. It also highlights the formula that it uses to calculate Brewster’s angle. The process to calculate Brewster’s angle through this website is also quite simple. Now, follow the below steps.

### How to calculate Brewster’s angle online using calculator.academy:

- Visit this website and access Brewster’s angle calculator.
- After that, submit Refractive Index 1 and Refractive Index 2 values.
- Next, click on the
**Calculate**button to start the calculation process. - Finally, view and copy the Brewster’s angle value.

### Additional Features:

- This website also comes with additional Finance, Maths, Health, Science, and Engineering calculators.

### Final Thoughts:

It is another capable online Brewster’s angle calculator website that also provides the calculation steps.

Pros | Cons |
---|---|

Provides calculation steps. | |

Shows Brewster’s angle calculation formula |

## Frequently Asked Questions

Brewster's Law is typically expressed as: tan(θB)=n1n2 Where: θ_B is Brewster's angle (the angle of incidence at which light becomes completely polarized). n1 is the refractive index of the incident medium (the medium from which light is coming). n2 is the refractive index of the transmitting medium (the medium into which light is entering). The formula allows you to calculate Brewster's angle for a given pair of incident and transmitting media with known refractive indices. When light is incident at Brewster's angle, the reflected light will be polarized, with its electric field vector oscillating perpendicular to the plane of incidence.

The Brewster angle, in simple terms, is the angle where its light is polarised.The method of estimating the Brewster angle by this formula:αB = arctan(n2/n1).

Polarized sunglasses, in photography to lessen reflection from the surface, Brewster windows, gas lasers, and solid lasers are examples of Brewster law applications.

Linear polarisation, circular polarisation, and elliptical polarisation are the three forms of polarisation. Linear polarisation occurs when the electric and magnetic fields oscillate in the same direction. In elliptical polarisation, the field directions form an ellipse, whereas in circular polarisation, the field directions rotate at a constant rate.

No, Brewster's angle and the critical angle are not the same, although they are related concepts in optics.

### Naveen Kushwaha

Passionate about tech and science, always look for new tech solutions that can help me and others.

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