Omni Calculator is a website that has hundreds of custom-built calculators. Each calculator is meant for a specific type of problem – chemistry, ecology, physics and more! With each calculator you will find an explanation, links to other related topics, and a FAQ section. You can also embed them into your website or presentation. Free Services Offered: Always Free!

How to Use: Select the calculator that matches the type of problem you are working through, enter in the information, and get answers!