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Search for Calculators

On-line Stats

  • Created Formulas: 667
  • Created Widgets: 3968
APIs, Widgets & Apps
"Making the complex simple"

Free Online Calculators

You can easily integrate our calculators on your website by pasting a piece of code into your page. We have a wide range of existing free online calculators, both simple (formula calculator widgets) and more advanced (project calculator widgets). Segments that we have calculators for; physics, financial, math, construction electronics and more. If you can not find the calculator you need you can create your custom online calculator and then set your personal design on it.

Our Online calculators have features such as:

Examples of an Online Calculator

To configure your own calculator like the one below go to online calculator and design and copy code.

Test the widget by copying the code below into your webpage:

<div id="fw_138169118537535772"><a href="https://www.formloop.com/Calculator-Widget">FormLoop Calculator</a></div>
<script type="text/javascript" src="https://d15pwioa8qyjit.cloudfront.net/js/calc_quick_c.js"></script>
<script type="text/javascript">
var pass_id='138169118537535772';
var height='320';
var width='325';
var lang_code='';
var mobile='';

Feel free to contact us if you have any questions or need assistance to create your online calculator.

Examples of Online Calculator Forms

Click an online calculator to test it and to add your personal design. If you want more online-calculators within that category click more.