Last updated on
Sep 19, 2025
Add Formulas and Calculations in PDFs For Free
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Create & edit PDFs
Generate new PDFs from scratch or transform existing documents into reusable templates. Type anywhere on a PDF, rewrite original PDF content, insert images or graphics, redact sensitive details, and highlight important information using an intuitive online editor.
Fill out & sign PDF forms
Say goodbye to error-prone manual hassles. Complete any PDF document electronically – even while on the go. Pre-fill multiple PDFs simultaneously or extract responses from completed forms with ease.
Organize & convert PDFs
Add, remove, or rearrange pages inside your PDFs in seconds. Create new documents by merging or splitting PDFs. Instantly convert edited files to various formats when you download or export them.
Collect data and approvals
Transform static documents into interactive fillable forms by dragging and dropping various types of fillable fields on your PDFs. Publish these forms on websites or share them via a direct link to capture data, collect signatures, and request payments.
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What our customers say about pdfFiller
See for yourself by reading reviews on the most popular resources:
I'm going with the default you had.
"Works exactly as expected. Smooth, responsive, and intuitive interface."
That about sums it up. It was so obvious on how to edit text, increase it's size, move it around (great feature!), add checkmarks and Xs.
All around just very good.
2016-02-18
Worked well. Looks like a good program. I was only using it for one foerm, and do not feel I need the program. You charged me for a full year $72.00, when I felt I WASA SUBSCRIBING FOR ONE MONEH. PLEASE REFUND TTHE DIFFERENCE.
2017-04-07
I do a lot of consultation via an online platform, so I really appreciate how easy it is to use PDF Filler to create forms, electronically fill out my assessments, sign documents, and send them securely all in one place.
2019-12-13
What do you like best?
User friendly, simple easy to use. Makes sending and receiving documents easy and professionals .
What do you dislike?
Nothing really. Easy way to handle PDF's.
What problems are you solving with the product? What benefits have you realized?
Getting documents signed.
User friendly, simple easy to use. Makes sending and receiving documents easy and professionals .
What do you dislike?
Nothing really. Easy way to handle PDF's.
What problems are you solving with the product? What benefits have you realized?
Getting documents signed.
2019-05-28
Awesome PDF Tool for a low price
It is a great tool that I would recommend to people who are not very tech savvy.
It is an easy to use tool with helpful features that can help any business that uses PDF documents on a frequent basis.
It makes you pay for many features that can actually be found using free software alternatives if you do some research.
2019-12-31
Awesome service!
helpful for customers
Ease of use! Love it. I love that i can change forms and addresses. This has been a lifesaver for work purposes.
I wish you had more options as far as fonts go and wish you had more options as far as font sizes..something to think about
2017-11-14
The PDFfiller is super easy to use. I simply uploaded my document, turned my nonfillable PDF fields into fillable fields and now I am able to send them to individuals to be completed with ease.
2023-08-02
What do you like best?
I like to be able to upload multiple documents and then have the ability to rearrange them if needed, or remove, or even add to my entire document.
What do you dislike?
I do not like that the desktop extention frequently has errors, and continues to lag. I also do not like that the fax portion is uncustomizable.
What problems are you solving with the product? What benefits have you realized?
It helps me to add or remove specific line items, which I do not want others to see. It also allows us to add pictures to the PDF documents, such as signatures, and or stamps for notary.
2021-10-27
I am a very very episodic PDF user and…
I am a very very episodic PDF user and the small try out price I paid to use this program was like buying gold at $25 an ounce. It saved me sooo much time. If I had a regular need I would glady pay the annual fee this program is awespme
2021-06-05
Calculations in a PDF
When you are a student, banker, accountant or actuary, you spend much time on different calculations. The Add Fillable Fields feature allows you to insert different types of fields into your PDF or Word document and do complex calculations. Transform any document or form with smart digital fields using the drag and drop wizard.
To get started, upload the document to your pdfFiller account and open it in the Editor.
To create fillable fields for formula, click on the Add Fillable Fields tab on the right.
When the tab opens, you see different types of fields that you can add to your document. To add the Formula Field, select Formula.
Drag and drop the selected field anywhere on the document.
Open the Formula Builder at the top of your document. It will help you calculate a value based on number fields in the document.
Resize the field by dragging its corners or edges. Use the text formatting tools to preset the field’s text format including the font, size, color and alignment of text. Change the format of the calculated value by clicking Format on the right. Click the Save orange button in the top right corner to save the changes.
Once you’ve clicked Save, you will see the calculated value on the place where you’ve dragged and dropped the field.
To delete a fillable field, click on the trash can icon above it. You can customize any fillable field. Click Advanced in the right pane and select the options you need.
After you’ve added the Formula Field to your document, you can edit your document, sign or send it to be signed and share. When you’ve finished, click the Done orange button in the top right corner.
How do I do calculations in a PDF?
01
Upload the document to your pdfFiller account and open it in the Editor.
02
Click on the Add Fillable Fields tab on the right.
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Select Formula.
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Open the Formula Builder to calculate a value.
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Click Save.
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Click Done.
Add Formulas and Calculations in PDFs Feature
Welcome to the new Add Formulas and Calculations in PDFs feature! Say goodbye to manual calculations and let this feature do the work for you.
Key Features:
Easily add formulas and calculations to your PDF documents
Support for a wide range of mathematical functions
Customize formulas to suit your specific needs
Potential Use Cases and Benefits:
Create professional-looking invoices with automatic calculations
Generate accurate financial reports with ease
Speed up data analysis by automating calculations
Solving your problem has never been easier with this feature. Take the hassle out of crunching numbers and let Add Formulas and Calculations in PDFs streamline your workflow.
How to Add Formulas and Calculations in PDFs
To make the most out of the Add Formulas and Calculations in PDFs feature in pdfFiller, follow these simple steps:
01
Open the PDF document you want to add formulas and calculations to.
02
Click on the 'Tools' tab located at the top of the page.
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From the dropdown menu, select 'Formulas and Calculations'.
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A sidebar will appear on the right side of the screen with various options.
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Click on the 'Add Formula' button to start creating a new formula.
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In the formula editor, you can enter mathematical expressions using numbers, operators, and functions.
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To reference fields in your PDF, simply click on the 'Insert Field' button and select the desired field.
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You can also use the 'Insert Function' button to add pre-defined functions to your formula.
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Once you have entered your formula, click on the 'Save' button to apply it to the selected field.
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To edit or delete a formula, click on the respective buttons next to the formula in the sidebar.
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You can add multiple formulas to different fields in your PDF document.
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To preview the calculated values, click on the 'Preview' button in the sidebar.
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If you need to make any changes, simply go back to the formula editor and modify the formula.
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Once you are satisfied with the formulas and calculations, click on the 'Done' button to save your changes.
By following these steps, you can easily add formulas and calculations to your PDFs using pdfFiller's convenient feature.
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What is pdfFiller?
pdfFiller is an online PDF editing platform. With pdfFiller, you can search for, edit, store, print and export PDF documents online without downloading and installing any software. pdfFiller also allows you to access and edit PDF documents from any device anytime.
Can I do Calculations Using pdfFiller?
Yes. You can easily do calculations in a PDF by adding a formula field to your document. Calculate a value based on number fields in the document in minutes.
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