A calculator form builder that helps you sell more online

Set up an embeddable and calculator form on any page of your website. This will increase web conversions and interactions with website visitors. Communicating pricing or savings online also reduces hassle and saves time.



All major features in ConvertCalculator

Formula builder

Create really advanced formulas in a simple way with our formula builder. You can use all Excel formulas out of the box, create variables to reuse formulas or create datasheets to calculate with large tables of data.

Question types

Add a variety of powerful question types to your calculator to ask the right questions. Look at some of the things you can do:

  • Range / Numbers: Ask for numbers in a variaty of different ways
  • Multiple choice: Let your users pick an answer from a list in multiple ways
  • Yes / No: Ask for yes / no questions in style
  • Text / Email: Ask for text or email questions easily
  • Order list: Let your customers pick out items with an online order form.
  • Dates: Ask for date(s) and calculate with the results.
  • Places: Ask for location(s) and calculate with the results (distance or driving duration)
  • Files: Ask users to upload files is easy as pie.

Perfect lead generation software

Generate leads by adding form fields to your calculator. These form fields support the addition of text fields, as well as the ability for your prospects to upload files. All calculations are included in the response.

Accept online payments

You can accept online payments directly from ConvertCalculator. This means you can start selling customisable products via an embeddable web calculator.

It fits right in with your design

Because ConvertCalculator is embedded in your webpage, it will adapt to match your existing design. Simply pick a primary colour and your calculator will fit with your chosen aesthetic.

Power-up your calculator with the developer API

Do you need to build something specific like a 3D model uploader or T-shirt product configurator? Then, get nerdy with the JavaScript Developer API! Don’t know how to code? Contact us in the chat and we can build it for you.

For every device

The embedded calculator adjusts to your screen size and is therefore both desktop and mobile user friendly.

Designer friendly

Rendered as HTML on your site (not an iframe) so your designer has total design freedom

Integrate with 1000+ apps

Hubspot, MailChimp, Slack, Stripe, you name it. The tool is developed for easy integration with your sales tools.


Choose currency and language according to your target market

Custom development

Is the existing tool too limited? We can custom develop features free of charge

24/7 support

We’re here to help 24/7 through our contact form so you can spend your time growing your business.

Ready to boost sales and reduce hassle?

Start for free to grow your business. Create your calculator now or check out pricing.