Chris Messina

Omni Calculator 2.0 - Your life in 777 free calculators

There are numbers in everything you do. Omni Calculator has 777 easy to use, fast and amazingly fun calculators, so you always get the number you need.

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Mateusz Mucha
Hey there! First of all, thanks @chrismessina and @farhan_khan23, you guys are great! I'm Matt, the founder of the Omni Calculator Project. The whole project is meant to scratch a huge mental itch I've always had - people rely on intuition way too much. They don't calculate because they lack basic arithmetic skills, don't have the time or simply hate doing maths. We're here to remove these obstacles and make calculations easy, fast, and kinda fun. We built all sorts of calculators - simple ones for the simplest tasks (even as simple as properties of the circle or square root) or more complicated, such as Thermodynamic Process ( https://www.omnicalculator.com/p... ) or Online Marketing ROI Calculator ( https://www.omnicalculator.com/f... ). We're also super lucky in being able to use our own product to build awareness around important problems that face the planet, we built The Plastic Footprint Calculator ( https://www.omnicalculator.com/e... , just covered by The New York Times and National Geographic!), Smog Calculator ( https://www.omnicalculator.com/e... ), Car vs Bike Calc ( https://www.omnicalculator.com/e... ) and Social Media Time Alternatives ( url ). Something for the PH community: we started a startup collection recently - https://www.omnicalculator.com/c... (thanks @writerpollock for the idea!). Top features: - All calculators are freely embeddable on 3rd party websites. - Most of them are multidirectional (you can start anywhere you like, any variable can be either an input or an output of a calculation). We're a team of 21 people from Poland, Spain, India, Hungary, Philippines, and England. Most calculators are built by Ph.D. students who want to make their expertise useful for others. All calculators are free and will stay free forever, that's the only way to reach everyone on the planet :-) Please visit the site and enjoy our hard work!
Marcin Manias

you would think a "calculator website" would be limited in scope to the "math' stuff. You could not be more wrong. They have a big range - from finances, to health, construction and everyday. Basically if something can be calculated they do it.

Pros:

-easy to use -varied categories -each calculator has an easy to follow explanation

Cons:

-could implement a way to star or upvote a calculator

Radek Zaleski
one of my favorite web apps ever. fun fact - I advised Mateusz to develop Omni as mobile apps sometime ago. I am idiot.
Derek Shanahan
Finally a time value of money calculator that isn't ugly as sin + easy to use. Nice work!
Farhan Khan
@dshan That's exactly how we want our users to feel. Thanks for your kind words. :)
Piotr Małek
I absolutely love this platform, it has proven to be really useful in so many situations, I can't even count them all. Lots of really fun, intriguing tools along with hundreds of calculators for almost any real-life situation. The team is also very responsive to feedback and are always on the lookout for new tools to build. Awesome platform.
Farhan Khan
@piotr_malek1 Thanks for the kind words ;) We are always exploring new ideas and welcome every silly-genius idea. So much so, we want to make an open system where people can build their own calculators. (Shhhh) Hope we start this project soon.
Beata Mosór-Szyszka
Congrats Mateusz and the team - looking for evidences is crucial nowadays, and you help people to decide based on facts, numbers.
Mateusz Mucha
@beatamosor Thank you, we love you guys :-)
Beata Mosór-Szyszka
Łukasz Białek
Congratulations Omni Calculator for a great product!
Jack Bowater

my go to place for my calculator needs

Pros:

intuitive design

Cons:

could allow you to build collections

Belei Margallo

Keep it up.

Pros:

Very useful

Cons:

Nothing to say. Good job.

Valeria Orlova

some calculators are really impressive. I think everyone should try plastic usage calculator, nice to know such things

Pros:

great tool for everyday life and specific needs

Cons:

did not find

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