Last updated on
Sep 19, 2025
Add Formulas and Calculations in PDFs For Free
Drop document here to upload
Up to 100 MB for PDF and up to 25 MB for DOC, DOCX, RTF, PPT, PPTX, JPEG, PNG, JFIF, XLS, XLSX or TXT
0
Forms filled
0
Forms signed
0
Forms sent
Try these PDF tools
Edit PDF
Quickly edit and annotate PDFs online.
Start now
Sign
eSign documents from anywhere.
Start now
Request signatures
Send a document for eSignature.
Start now
Share
Instantly send PDFs for review and editing.
Start now
Merge
Combine multiple PDFs into one.
Start now
Rearrange
Rearrange pages in a PDF document.
Start now
Compress
Compress PDFs to reduce their size.
Start now
Convert
Convert PDFs into Word, Excel, JPG, or PPT files and vice versa.
Start now
Discover the simplicity of processing PDFs online
Upload your document in seconds
Fill out, edit, or eSign your PDF hassle-free
Download, export, or share your edited file instantly
Top-rated PDF software recognized for its ease of use, powerful features, and impeccable support
Every PDF tool you need to get documents done paper-free
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.
Export documents with ease
Share, email, print, fax, or download edited documents in just a few clicks. Quickly export and import documents from popular cloud storage services like Google Drive, Box, and Dropbox.
Store documents safely
Store an unlimited number of documents and templates securely in the cloud and access them from any location or device. Add an extra level of protection to documents by locking them with a password, placing them in encrypted folders, or requesting user authentication.
Customer trust by the numbers
64M+
users worldwide
4.6/5
average user rating
4M
PDFs edited per month
9 min
average to create and edit a PDF
Join 64+ million people using paperless workflows to drive productivity and cut costs
Why choose our PDF solution?
Cloud-native PDF editor
Access powerful PDF tools, as well as your documents and templates, from anywhere. No installation needed.
Top-rated for ease of use
Create, edit, and fill out PDF documents faster with an intuitive UI that only takes minutes to master.
Industry-leading customer service
Enjoy peace of mind with an award-winning customer support team always within reach.
What our customers say about pdfFiller
See for yourself by reading reviews on the most popular resources:
Amazing software except for the licensing. I just want to pay for when I need it. For a business the month to month is great, but for a single time user it is a bit tougher.
2015-03-05
My original reason for joining was just to try the program and use the conversion from PDF to Word feature. Our club has need for developing forms and sign in documentation which I am exploring your features. Not as easy as I would have liked. Good product so far for my needs, but I'll make a final decision towards the end of my trial version.
2018-09-17
I have had limited use since I became a subscriber. I have difficulty printing the PDF file
I was working on and asked your online help desk what I could do to remedy that but
without success.
2019-02-19
It's great to be able to fill out any pdf online. It looks so much more professional. I find the site to be very intuitive and self-explanatory. I've been able to figure out everything I needed just by doing it. I wish the subscription wasn't so expensive though because I don't feel I can afford it. The free trial is a great introduction.
2019-06-28
I had issues at first as connections failed and I lost my documents that I had updated which took me a long time to do. I have had another go and it has worked a lot better.
2019-08-30
What do you like best?
The dashboard is well laid out and intuitive. It is easy to figure out the functions of buttons without referring to FAQ.
What do you dislike?
There is a little bit of a disconnect when saving your file, it's not always easy to figure where it is being saved.
Recommendations to others considering the product:
Start out with the trial. I think you will be impressed enough to purchase.
What problems are you solving with the product? What benefits have you realized?
For us it has eliminated the need to download, then print a document, fill out the blank fields, then scan it and email it to the requestor.
The dashboard is well laid out and intuitive. It is easy to figure out the functions of buttons without referring to FAQ.
What do you dislike?
There is a little bit of a disconnect when saving your file, it's not always easy to figure where it is being saved.
Recommendations to others considering the product:
Start out with the trial. I think you will be impressed enough to purchase.
What problems are you solving with the product? What benefits have you realized?
For us it has eliminated the need to download, then print a document, fill out the blank fields, then scan it and email it to the requestor.
2019-01-02
*** was very helpful in retreiving my lost infor and reconnecting me to my "filler" account. He was friendly informative and thorough. Great job many Thanks!
2023-07-18
Great customer service, helped me figure out how to change the e-mail on my account, without having to get a new subscription...I was confused.
Thanks for the help!
2021-04-14
IT IS SUPER EASY RIGHT OUT OF THE GATE. I AM NOT SURE HOW TO FIND A DIFFERENT IRS FORM. I AM THINKING MY ADOBE DC MAY DO THIS AND I JUST DON'T KNOW IT. I FOUND THIS ON THE INTERNET AND IT IS SAVING ME HOURS.
2021-01-18
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.
03
Select Formula.
04
Open the Formula Builder to calculate a value.
05
Click Save.
06
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.
03
From the dropdown menu, select 'Formulas and Calculations'.
04
A sidebar will appear on the right side of the screen with various options.
05
Click on the 'Add Formula' button to start creating a new formula.
06
In the formula editor, you can enter mathematical expressions using numbers, operators, and functions.
07
To reference fields in your PDF, simply click on the 'Insert Field' button and select the desired field.
08
You can also use the 'Insert Function' button to add pre-defined functions to your formula.
09
Once you have entered your formula, click on the 'Save' button to apply it to the selected field.
10
To edit or delete a formula, click on the respective buttons next to the formula in the sidebar.
11
You can add multiple formulas to different fields in your PDF document.
12
To preview the calculated values, click on the 'Preview' button in the sidebar.
13
If you need to make any changes, simply go back to the formula editor and modify the formula.
14
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.
For pdfFiller’s FAQs
Below is a list of the most common customer questions. If you can’t find an answer to your question, please don’t hesitate to reach out to us.
What if I have more questions?
Contact Support
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.
#1 usability according to G2
Try the PDF solution that respects your time.