## Chemistry

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Amazing truths about the world shown with calculators.

Featured in

An example - BMI Calculator

Height

ft

in

Weight

lb

BMI

BMI Prime

Advanced features

Are you an athlete?

No

Sex

Female

Age

Percentile

About us

In a surprisingly large part, our reality consists of calculable problems. Should I buy or rent? What's my ideal calorie intake? Can I afford to take this loan? How many lemonades do I need to sell in order to break even? Often times we don't solve these problems, because we lack knowledge, skills, time or willingness to calculate. And then we make bad, uninformed decisions.

Omni Calculator is here to change all that - we are working on a technology that will turn every* calculation-based problem trivial to solve for anyone.

*within reason

The most popular calculators

The stimulus check calculator computes how much money you are eligible to receive from the coronavirus checks promised by the US government.

Gas calculator estimates your gas usage and costs of travelling by car.

With the compound interest calculator, you can accurately predict how profitable certain investments will be for your portfolio.

The grams to cups calculator converts between cups and grams. You can choose between 20 different popular kitchen ingredients or directly type in the product density.

The log calculator (logarithm) calculates the value of a logarithm with an arbitrary base.

Sales tax calculator works out the tax imposed on the sale of goods and services.

The significant figures calculator performs operations on sig figs and shows you a step-by-step solution!

The scientific notation calculator converts any decimal to scientific notation.

Square footage calculator turns length and width into an area and converts to/from multiple units.

Percentage increase calculator calculates the increase of one value to the next in terms of percent.

Exponent calculator helps you find the result of any base raised to a positive or negative exponent.

Simple percentage calculator is a generic percentage-based problem solver.

Square root calculator helps you find the square root of any positive number.

Use this free circumference calculator to find the area, circumference and diameter of a circle.

The slope calculator helps find the slope of any line through two given points.

Salary to hourly converter does a quick paycheck recalculation.