iCalculator™ - Free Online Calculators

Calculator™: Free Online Calculators

iCalculator™ is a specialist site which provides free online calculators with supporting articles and guides, we have the widest selection of salary calculators and tax calculators in the world so you can calculate your take home pay wherever you live or work, calculating income tax and comparing salaries has never been easier.

Our aim is to provide you sufficient information to make an informed decision where appropriate and not just leave things to chance and probability, whether you are looking to prepare your annual tax return using the US Tax Calculator or comparing mortgages for your next new home, we have an online calculator to help you.

Finding a good calculator is just a click away, you can review the popular calculators listed below, use the calculator search or choose a specific discipline (Math, Finance, Tax etc. and browse the calculators within each category).

Popular Calculators

About iCalculator™

There are a million things in our everyday lives that have us reaching for a calculator. Whether it's to work out how long to boil eggs for, to work out the ratio between two numbers or the number of significant figures for a work project or to check math homework. iCalculator™ contains over a thousand calculators from simple math calculators to complex tax and engineering calculators. iCalculator™ is designed to be a simple suite of online calculators that allows you to quickly access the calculator you need. You can find a calculator by using the search feature, or by using the site navigation to view specific calculators by category (Human Resource, Logistics, Math or Engineering for example). If you are just looking for a simple calculator, use the Basic Online Math Calculator

The calculators provided on this website are free to use, we make no guarantee of their accuracy [ as legal folks like to crucify people these days ] though clearly aim for 100%. iCalculator™ supports a broad range of free to use online calculators like math ratio calculators so we need your support. We kindly ask that if you:

  1. Spot a mistake (a bug)
  2. Have a new feature request
  3. Would like us to build a new calculator

That you get in touch with us. You can provide feedback and raise feature requests by contacting us through our website. Your time and support helps us keep the tools free.