> For the complete documentation index, see [llms.txt](https://docs.wfolio.pro/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.wfolio.pro/site/en/blocks/integrations/calculator.md).

# How to add a calculator to a website

You can integrate to the website a third-party service that provides calculator widgets.

* Sign up for a service. Create a calculator and a formula with prices.
* **Copy the embed code**.
* In the Wfolio control panel, click on <mark style="background-color:blue;">**+**</mark> button to add a new block.
* Open the **Widgets** tab and select an HTML block.

<figure><img src="/files/L9049uEJNbXOykM1EKE5" alt="" width="563"><figcaption></figcaption></figure>

* Paste the copied code. Save changes.

<figure><img src="/files/uYcipVyTRyfZj3F1n7Me" alt="" width="563"><figcaption></figcaption></figure>

* **Paste the copied code** into the HTML block and save the changes.