---
title: How do I add a calculation field to the PDF?
description: Discover how to incorporate a personalized calculation field into your PDF form, which will display the computation of customer-provided data as they fill out an application form.
---

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# How do I add a calculation field to the PDF?

## Discover how to incorporate a personalized calculation field into your PDF form, which will display the computation of customer-provided data as they fill out an application form.

To add a calculation field to the PDF, follow these steps:

1. Go to the **PDF Mapping **homepage, then select and open the mapped PDF that you would like to edit.
2. On the top of the left-hand sidebar, click the **Calculations** tab.
3. From the list of calculations, click on the calculation field that you would like to add to see the details on the custom calculation.
4. Click on the calculation field underneath the calculation's details.
5. Move your cursor to the PDF and click again to add the calculation field to your PDF.
6. Click anywhere on the PDF to confirm the new calculation field addition, then click **Save**.

To create a new calculation or manage existing calculations, refer to the article linked below:

**[How do I create a calculation?](https://knowledge.under.io/support/create-a-calculation-field?hsLang=en)**

---

Here is a short video that provides a clear explanation of the process mentioned above:

<iframe src="https://www.loom.com/embed/809c312de4024d73b7cb48b1df204d82?sid=2c9e7481-c385-4330-9e66-fd6aa191144c" frameborder="0" webkitallowfullscreen="" mozallowfullscreen="" allowfullscreen style="position: absolute; top: 0; left: 0; width: 100%; height: 100%;"></iframe>

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