Every Calculator You Ever Need Is Online for Free

Every calculator you ever need is online for free. This site solves all your little math problems on an everyday basis.

You can always use a calculator on your device or do a quick search, but for more complex answers try one of the 1585 calculators at this site.

Omni Calculator is a web/mobile calculator that solves concrete problems such as mortgage payment, gross margin, body mass index, cooking, zombie invasion and anything else you can think of (within reason).

It’s simple to use, find the calculator group that you want, click, and choose from several specialized calculators in the following categories:

• Chemistry
• Construction
• Conversion
• Ecology
• Everyday life
• Finance
• Food
• Health
• Math
• Physics
• Sports
• Statistics
• Other

Omni Calculator works on the web, mobile and as an embeddable web widget.