# 8 Best Free Online Angular Resolution Calculator Websites

Here is a list of **best free online angular resolution calculator websites**. **Angular Resolution** or **resolving power** is the ability of optical instruments to distinguish the details in fine objects. It is mainly used in the fields of microscopy and astronomy. Angular resolution is represented in various units like **degrees, radians, gradians, minutes of arc,** etc. An optical instrument with a lower angular resolution value can distinguish between very fine details. To find out the angular resolution of an optical instrument, users need these online angular resolution calculator websites.

Through these websites, users can quickly calculate the angular resolution of an instrument using **Wavelength** and **Aperture Diameter** values. On most websites, users can also specify the **SI units** (nm, mm, cm, m, etc.) of both wavelength and aperture diameter parameters. Similarly, users can also specify the SI unit (degrees, radians, gradians, etc.) for the *output angular resolution value*. Besides calculating the angular resolution, these websites also explain angular resolution and show the **calculation steps**. They also offer the **formula** that they use to calculate the angular resolution value. To help out users, I have also included the necessary calculation steps in the description of each website.

These websites also offer additional tools like **velocity calculator, acceleration calculator, moment of force calculator,** etc. Go through the list to learn more about these websites.

### My Favorite Online Angular Resolution Calculator Website:

**omnicalculator.com **is my favorite website as it can quickly calculate angular resolution value. It also explains angular resolution and shows the calculation formula.

You can also check out lists of best free Online Render Time Calculator, Online Camera Field of View Calculator, and Online Network Throughput Calculator websites.

### Comparison Table:

Features/Website Names | Shows angular resolution calculation formula | Explains angular resolution | Can calculate all three angular resolution equation parameters |
---|---|---|---|

omnicalculator.com | ✓ | ✓ | x |

symbolab.com | ✓ | x | ✓ |

owlcalculator.com | ✓ | x | ✓ |

calctool.org | ✓ | ✓ | x |

physicscalc.com | ✓ | ✓ | ✓ |

calculator.academy | ✓ | ✓ | x |

robruark.com | x | ✓ | x |

lasercalculator.com | ✓ | x | x |

## omnicalculator.com

**omnicalculator.com** is a **free online angular resolution calculator website**. Using this website, users can calculate the angular resolution of an optical instrument. To do that, it needs **wavelength** and **aperture diameter** values. The units of both parameters can also be adjusted by users. It also shows the angular resolution calculation **formula** that it uses to perform the calculation. It also explains the angular resolution concept in detail. Now, follow the below steps.

### How to calculate angular resolution online using omnicalculator.com:

- Visit this website and access the angular resolution calculator.
- Now, enter the
**wavelength**and**aperture diameter**values. - Next, specify the SI units of both the input parameters and single output parameter.
- Finally, view the calculated
**angular resolution**value.

### Additional Features:

- This website also offers additional online tools such as the Aperture Area Calculator, Binoculars Range Calculator, Bragg’s Law Calculator, Speed of Light Calculator, and more.

### Final Thoughts:

It is one of the best free online angular resolution calculator websites through which users can calculate the angular resolution and show it in multiple SI units.

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

Shows angular resolution calculation formula | |

Explains the concept of angular resolution |

## symbolab.com

**symbolab.com** is another free online angular resolution calculation website. Through this website, users can quickly calculate the **angular resolution** in degrees and radians units. To perform the calculation, users need to enter **lens wavelength** and **aperture diameter** values. Both the input parameters support multiple SI units like **m, km, cm, mm, nm**, etc. An angular resolution calculation formula is also provided by it. It also answers common queries related to angular resolution calculation. Now, follow the below steps.

### How to calculate angular resolution online using symbolab.com:

- Visit this website using the given link.
- After that, enter the wavelength and aperture diameter values.
- Now, specify the
**SI units**of both input parameters. - Finally, view the calculated resolution values that users can copy.

### Additional Features:

- This website offers multiple additional calculators associated with Physics, Chemistry, Math, Statistics, Finance, Sales, and more.

### Final Thoughts:

It is another good online angular resolution calculation website through which users can quickly find out angular resolution values in radian and degree units.

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

Shows angular resolution calculation formula | |

Answers common questions related to angular resolution |

## owlcalculator.com

**owlcalculator.com** is another free online angular resolution calculator website. Through this website, users can calculate all *angular resolution, wavelength, *and *aperture diameter values*. By providing any **two values** of the angular resolution equation, users can find out the third value. It also briefly explains angular resolution and shows the formula that it uses to perform the calculation. Now, follow the below steps.

### How to calculate angular resolution online using owlcalculator.com:

- Visit this website and access the Angular Resolution Calculator.
- Now, select the
**Angular Resolution option**from the**Calculate**menu. - Next, enter diameter (d) and wavelength (λ) values.
- Finally, view the calculated angular resolution value.

### Additional Features:

- This website also offers additional online tools such as velocity calculator, acceleration calculator, moment of force calculator, force of friction calculator, and more.

### Final Thoughts:

It is another good online angular resolution calculator website that can also be used to calculate wavelength and diameter values.

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

Can calculate all the parameters of the angular resolution equation | Doesn’t let users specify the SI units of parameters |

## calctool.org

**calctool.org** is another free online angular resolution calculator website. Through this website, users can calculate the angular resolution of a lens. Like other similar websites, it also uses the **wavelength** and **aperture diameter** values. The SI units of both wavelength and aperture diameter can be adjusted. Plus, it lets users choose one of many angular resolution units such as *degrees, radians, gradians, minutes of arc,* etc. It also explains the angular resolution topic and shows the **formula** that it uses to calculate angular resolution. Now, follow the below steps.

### How to calculate angular resolution online using calctool.org:

- Visit this website using the given link.
- After that, enter the wavelength and aperture diameter values.
- Next, specify the
**SI**units. - Finally, view the calculated
**Resolution**value that users can copy.

### Additional Features:

- Users can find multiple online calculators on this website such as Air Density, Dew Point, Wet Bulb, Lighting Distance, Arrow Speed, and more.

### Final Thoughts:

It is another simple online angular resolution calculator that offers all the tools to calculate angular resolution value.

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

Shows calculation formula | |

Explains angular resolution | |

Let users change SI units |

## physicscalc.com

**physicscalc.com** is another free online angular resolution calculator website. This website offers a simple angular resolution calculator that can also calculate **Aperture Diameter** and **Wavelength** values. It also explains angular resolution and shows the calculation steps. The angular resolution calculation formula is also provided by it. To perform the calculation, users need to enter **Wavelength** and **Aperture Diameter** values. Users can also choose to specify the SI units of input parameters. Now, follow the below steps.

### How to calculate angular resolution online using physicscalc.com:

- Visit this website and access the angular resolution calculator.
- Now, Find the Resolution option from the
**Choose a Calculation**menu. - Next, enter the Wavelength and Aperture Diameter values.
- Finally, click on the
**Calculate**button to start the calculation process.

### Additional Features:

- This website also offers multiple physics calculators like velocity, fisica, acceleration, displacement, kinetic energy, and more.

### Final Thoughts:

It is another good online angular resolution calculator website that can calculate all three parameters of the angular resolution equation.

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

Can calculate all three parameters of the angular resolution equation | |

Explains angular resolution and shows calculation steps | |

Provides the calculation formula |

## calculator.academy

**calculator.academy** is yet another free online angular resolution calculator website. This website offers multiple online calculators including an angular resolution calculator. This calculator explains angular resolution and provides the steps to calculate angular resolution value. It also shows the angular resolution formula and describes all its parameters. Now, follow the below steps.

### How to calculate angular resolution online using calculator.academy:

- Go to this website and access the angular resolution calculator.
- Now, enter the wavelength value in nm and the diameter of the lens value in mm.
- Next, click on the
**Calculate**button to view the angular resolution value in radians unit.

### Additional Features:

- This website also offers related calculators such as Magnification, Mirror Equation, Energy Resolution, Angular Impulse, etc.

### Final Thoughts:

This website also comes with an angular resolution calculator that anyone can use with ease.

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

Explains angular resolution and shows calculation steps | Doesn’t let users change the SI units |

Shows the calculation formula |

## robruark.com

**robruark.com** is another free online angular resolution calculator website. This website not only calculates the angular resolution values but it also explains it. It also shows a **wavelength-to-color chart**. Unlike other similar websites, it uses focal length, F-number, sensor size, distance to subject, and wavelength values to perform the calculation. It also uses the same set of input parameters to calculate angular resolution, subject resolution, and theoretical megapixels. Now, follow the below steps.

### How to calculate angular resolution online using robruark.com:

- Go to this website using the provided link.
- After that, enter the input value like focal length, f-number, wavelength, etc.
- Next, click on the
**Calculate**button to start the calculation process. - Finally, view the calculated angular resolution, aperture diameter, subject resolution, and theoretical megapixel values.

### Additional Features:

- This website also offers additional online tools such as Boost Calculator, Magnetics Calculator, Heat Storage Calculator, Statistical Confidence Calculator, and more.

### Final Thoughts:

It is another capable online angular resolution calculator website that offers all the tools to quickly calculate angular resolution, aperture diameter, etc., values.

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

Explains angular resolution | Doesn’t let users change the SI units |

Can also calculate aperture diameter, subject resolution, and theoretical megapixel values |

## lasercalculator.com

**lasercalculator.com** is a free online angular resolution calculator website. This website helps users calculate the angular resolution of a lens. To perform the calculation, it requires aperture diameter and wavelength values. Both the input parameters support multiple **SI units** like **meters, nanometers, micrometers,** etc. Although the calculated angular resolution is calculated in the **nrad** unit. Now, check out the below steps.

### How to calculate angular resolution online using lasercalculator.com:

- Go to this website and access the angular resolution calculator.
- After that, enter the aperture diameter and wavelength values.
- Next, specify the SI units of both input parameters.
- Finally, view the calculated angular resolution value.

### Additional Features:

- This website also offers additional online tools such as Pulse Train Calculator, Signal Gain and Loss Calculator, Laser Spot Size Calculator, Grating Pair Dispersion Calculator, etc.

### Final Thoughts:

It is another good online angular resolution calculator website that can quickly calculate the angular resolution value.

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

Shows calculation formula |

## Frequently Asked Questions

You can calculate the angular resolution of an optical instrument using the following formula: Angular Resolution (in radians) = 1.22 * (Wavelength of Light) / (Diameter of Aperture). Where: Angular Resolution is in radians. Wavelength of Light is the wavelength of the light you're observing, measured in meters (typically in nanometers, then converted to meters). Diameter of the Aperture is the diameter of the objective lens or mirror in the optical instrument, also measured in meters.

Angular resolution measures the ability of an optical instrument, such as a telescope, microscope, camera, or any system that captures or detects light, to distinguish between two closely spaced objects in the field of view or to resolve fine details in an image. In other words, it quantifies an instrument's capability to separate or discern small angular differences between objects or details.

The minimum achievable angular resolution is determined by the laws of diffraction and the properties of light. This minimum limit is known as the diffraction limit and represents the best angular resolution that can be achieved by an optical instrument using a specific wavelength of light and a given aperture size. The diffraction limit is a fundamental constraint in optics.

A "20/20 angular resolution" is not a standard term in optics or vision. The term "20/20 vision" is used to describe normal visual acuity, which is a measure of how well a person can see compared to a standard vision chart from a specific distance. In the context of "20/20 vision," the numbers represent a fraction. The first number (20) represents the testing distance in feet, and the second number (20) represents the distance at which a person with normal vision should be able to read a particular line on a standard eye chart. If someone has 20/20 vision, it means they can see at 20 feet what a person with normal vision can see at 20 feet. This is considered "normal" or "average" vision.

Yes, high angular resolution is generally considered desirable and beneficial in various fields and applications, especially in optics and imaging sciences.

### Naveen Kushwaha

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

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