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16:10 aspect ratio

This convenient 16:10 aspect ratio calculator allows you to resize your files to fit the 16:10 aspect ratio.

16:9 aspect ratio

Use this 16:9 aspect ratio calculator to quickly resize your files to fit in the 16:9 aspect ratio.

3D printing cost

This 3D printing cost calculator helps you to determine the quote for a 3D printing job.

3D render time

The 3D render calculator estimates how long your animation will take to render. Need to meet a deadline? Find out the maximum render time per frame or how many machines you need to finish on time.

4:3 aspect ratio

We designed this 4:3 aspect ratio calculator to help you resize your files while maintaining the 4:3 aspect ratio.

Age on other planets

This calculator helps you compute your age and upcoming birthdays on other planets.
You can either input your *Date of Birth* or your current *Age* to have the results.

Amdahl's law

Amdahl's law calculator predicts the effect of speeding up a portion of a task on its overall speed.

Among Us

Use this calculator if you want to quickly find out what are the odds of being the Impostor when playing Among Us!

Angle of impact

Our angle of impact calculator will give you a lead in your investigations, with math!

Antipode

Ever wondered if there is someone on the other side of the globe? Find it out using our antipode calculator, and learn how to calculate your antipode!

Aquarium

Using this aquarium calculator, you can find out how much water your fish tank can hold.

Aquarium glass thickness

The aquarium glass thickness calculator finds required aquarium thickness, volume, glass surface area, and weight for any given measurements.

Aspect ratio

Aspect ratio calculator allows you to quickly resize your files to fit in a designated area.

Audio file size

This audio file size calculator will help you estimate how much space an uncompressed audio file will take up. You will also learn about audio bit depth, sample rate, and more stuff about digital audio. Keep tuned in to learn more.

Azimuth

Azimuth calculator finds the azimuth from the latitude and longitude of the initial and final point.

Bandwidth

With the bandwidth calculator you can determine the time needed to download a specific file.

Battery capacity

Battery capacity calculator converts between amp-hours and watt-hours.

Battery life

If you want to know how many hours your battery will run before discharging, give this battery life calculator a try.

Battery size

Find out the remaining capacity of your battery using Omni's battery size calculator.

Baud rate

Baud rate calculator is a self sufficient tool that determines the baud rate of waves using four different methods to choose from.

Blink-free photos

The blink-free photo calculator makes science do the work for you – next time at a gathering, you'll know how many times to press the shutter to get that one perfect picture.

The BPM calculator converts between beats per minute and beat duration. It also determines notes duration.

Cable impedance

When transmitting a signal over a cable, it is crucial to know the impedance of the cable. Is it a coaxial cable? Is it a twisted pair? It doesn't matter. Omni's Cable Impedance calculator will give you the results, including the capacitance, inductance, delay, and more!

Camera field of view

How much of that landscape will fit in your pictures? Discover it with our camera field of view calculator!

Carat weight

Use this tool to calculate the weight in carats for your diamond.

CBM for shipping

CBM calculator for shipping finds the volume and weight of your cargo.

Chmod

The chmod calculator helps you understand and solve file permissions issues.

Chord

The chord calculator determines what notes make up a given chord.

Chord finder

The chord finder will determine what chord you're hearing/playing based on what notes you detect in the chord.

Chord inversion

The chord inversion calculator will help you determine the notes in any chord and the order in which they appear.

Chord progression

The chord progression generator lets you find out what chords you need for a chosen chord progression in a given key.

Chord transposer

The chord transposer can move your chords from one key to another or move them up or down by intervals.

Christmas tree

Welcome to the Christmas tree calculator, where you will find out how to decorate your Christmas tree in the best way. Take a look at the perfect Christmas tree formula prepared by math professors and improved by physicists. Plan in advance how many lights and decorations you'll need!

Classroom spacing

The classroom spacing calculator analyzes how may students can fit in the classroom while respecting social distancing rules.

College GPA

Find out your higher education GPA with this college GPA calculator. Enter up to 30 courses and their credits, and add your previous scores optionally to calculate your GPA and cumulative GPA.

Crop factor

The crop factor calculator tells you the effective focal length and aperture f-stop of your camera in terms of standard 35mm lenses.

Crosstalk

Want to know what is crosstalk in simple terms? Want to know the specific crosstalk in your circuit? Then Omni's crosstalk calculator is for you, Get ready to learn and get all the crosstalk solutions you've been seeking.

CSS aspect ratio

Our CSS aspect ratio calculator allows you to quickly resize your files to fit in a designated area.

Data transfer

Use this data transfer calculator to find out how much time it's going to take to back up your computer to the cloud, and make sure you're getting what you pay for from your internet service provider.

Day of the week

This day of the week calculator is a safe bet if you want to check out what was the day of the week when you were born - or any other past or future date you imagine.

Days until Christmas

Chubby Santas here, there, and everywhere, blinking tree lights,  "Jingle bells," and "Last Christmas" on the radio... that's definitely a sign that Christmas is coming!

Delay and reverb

With our delay and reverb calculator, you can obtain the times needed to keep the delay or reverb in sync with your song.

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Depth of field

Find out the depth of field of your camera and lens setup to capture more exciting photos using this depth of field calculator.

Diamond carat

This diamond carat calculator finds carats or grams of a diamond based on its width and length.

Diamond weight

Find the diamond weight 💎 with our diamond weight calculator. The tool handles twelve different diamond shapes.

Dimensional weight

Dimensional weight calculator estimates the volumetric weight - the variable used by postal services in determining the cost of shipment.

Download time

This download time calculator will help you determine how long it will take to complete a file download over a given internet download speed. Keep on reading to learn more about file sizes, download speed, and other related topics.

DPMO

Use this DPMO calculator to find out the popular measure of process performance - defects per million opportunities.

Drone flight time

Wondering how long your drone will hover in the air? Check out this drone flight time calculator!

Drone motor

Choose the perfect motor and get your drone flying with this drone motor calculator.

Duty cycle

Learn how to calculate the duty cycle of a periodic system with Omni's duty cycle calculator: insert what you know, and we'll do the math!

Earthquake

Use our earthquake calculator to discover the secrets of a fascinating – though terrifying – natural phenomenon.

eDPI

The eDPI, or effective dots per inch, describes the real mouse sensitivity. This eDPI calculator lets you determine the eDPI depending on DPI and sensitivity.

Encounter 5e

The encounter calculator for 5e DnD will help you plan out a combat encounter and ensure it has an appropriate difficulty for your party.

Engagement rate

Use this engagement rate calculator to find out what's the value of this statistic for your content and social media profiles.

Even parity

Use this tool to calculate the even parity bit and encoded message of a binary inserted message.

Exposure

This exposure calculator will help you determine the equivalent exposure value from the three common camera settings: aperture opening, shutter speed, and ISO sensitivity.

Film

This film calculator calculates the film length required to capture the desired run time or vice versa.

Final grade

Welcome to the Final grade calculator, the easiest and faster way to answer that burning question: "What grade do I need on my final?" while learning about exams and grading systems

Flag

Use the flag calculator to compute the proper proportions for every element of the American flag 🇺🇸

Floating-point

The floating-point calculator converts the binary representation of 32-bit floating-point numbers into real numbers and back again according to the IEEE754 standard. It has handy features like conversion to hexadecimal representations, calculation of the conversion error, and separate input fields for the sign, exponent, and fraction of your float32.

Focal length

The focal length calculator allows you to compute magnification, angle of view as well as the focal length needed for a picture of a distant object.

Frames to timecode

This frames to timecode calculator helps you to identify the correct frame in a recorded video.

Freight class

Freight class calculator finds the NFMC freight class of your cargo.

Fret

Planning to build your very own DIY guitar or ukulele? This fret calculator will help you determine the precise positions where you should place the frets on your instrument's fingerboard. Hop in to learn more about it.

Gender pay gap

The gender pay gap calculator lets you calculate how much your paycheck is affected by your gender for different countries.

If you're racking your brain on how to calculate your GPA, our GPA calculator is the answer to your struggles.

GPA Pakistan

Grade

The grade calculator calculates your overall grade based on your component marks (weighted and unweighted).

GSD (ground sample distance)

Calculate the ground sample distance for aerial surveys using our GSD calculator.

Guitar string tension

Ever wonder how much tension your guitar strings experience? Use this guitar string tension calculator to find out.

GWA (general weighted average)

This GWA calculator will help you determine your general weighted average for different grading systems used in the Philippines, like the point grading system or letter grading system.

Hamming code

With our Hamming code calculator you will be able to encode a message using linear codes, detect errors and more!

Hamming distance

How much do two messages differ? Learn with our Hamming distance calculator!

Harmonic series

Discover the fundamentals of music with our harmonic series calculator.

High school GPA

With this high school GPA calculator, determining your unweighted and weighted GPA will be a piece of cake!

Hit points

The HP calculator for 5e Dungeons and Dragons helps you calculate your character's maximum HP based on their classes, levels, Constitution modifier, and other once-off choices like race, subclasses, and feats. It delivers a beginner-friendly yet in-depth breakdown of how your maximum HP is determined.

Humans vs vampires

Vampire apocalypse calculator shows what would happen if vampires were among us using the predator - prey model.

Hyperfocal distance

Find out where to focus your camera to achieve the greatest depth of field using this hyperfocal distance calculator.

Image file size

This image file size calculator will help you estimate the file size of an uncompressed image file at a given pixel count and bit depth.

Image ratio

Determine the desired proportion of an image with this image ratio calculator.

Impact factor

Know the importance and standing of a journal using our impact factor calculator.

Impedance matching

Use the impedance matching calculator to find the appropriate values of the electronic components in the L-match, Pi-match, or T-match topology.

IP subnet

Given an IP address and a subnet mask, this IP subnet calculator will show you everything you need to know about the network and IP address.

KD (kill-to-death ratio)

The KD calculator computes your kill/death/assist ratio for you.

Key signature

Use the key signature calculator to identify a key and the number of sharps and flats in a piece of music.

Latitude longitude distance

This latitude longitude distance calculator will obtain the distance between any two points on Earth's surface given their coordinates.

Lens magnification

Discover your lens magnification (and other properties) with our lens magnification calculator

LM317

Omni's LM317 calculator can help you decide what external resistors to choose to get the required output voltage from the LM317 voltage regulator.

Logic gate

Use Omni's logic gate calculator to generate the truth table for all logic gates.

Mayan calendar

Convert a date to the ancient Mayan calendar with our Mayan calendar converter.

Minecraft circle

The Minecraft circle generator can generate circles and ellipses for you to build in Minecraft.
Allows for variable width, height, and thickness.

Minecraft end portal finder

Use two Eyes of Ender to triangulate the location of the nearest End Portal. Works for both Bedrock and Java editions.

Minecraft stack

The Minecraft stack calculator tells you how many stacks of an item you have with a certain total number of items. It can convert a total into stacks and vice versa.

mm to carat conversion

The mm to carat conversion calculator will convert a diamond of any shape into a weight unit - carats.

Music duration

The music duration calculator determines how long your musical piece will take to perform by using the piece's time signature, tempo, and a number of measures, as well as an easy formula.

Music interval

The music interval calculator determines the interval between two notes.

Music scale

The music scale calculator determines the semitone pattern, the numeric formula, and the notes of over 60 scales.

Music transposition

The music transposition calculator helps you transpose music to a different key.