More Help Categories
- Page Size Help
- If you need help getting the correct size and orientation for your poster.
- Poster Size Calculator
- See all the sizes we can print from your file.
- Page Size Converter
- Calculate how to resize your document if it's in the wrong proportion for your desired size.
Check Our Scientific Poster Tutorials

We have created an in-depth scientific poster tutorials section to help answer some of the more frequent questions and concerns our customers have.
Consider Other Options
Changing the page size of a PowerPoint document after it's created can be a difficult task and may take a little practice. Be sure you want to do this. Consider ordering a poster based on your current page size so you don't need to modify the file. (See our Poster Size Calculator to determine what sizes can be ordered from your file without modification.)
If You Still Need To Convert Your Page Size... Follow These Steps
Back up your file
Before proceeding it's a good idea to save a copy of your file with a different name.
Enter Current Dimensions
Enter the current width and height of your file: (Go to Design > Slide Size > Custom Slide Size to see your page size.)
Enter Desired Dimensions
Enter the desired width and height of your finished poster:
Need a Poster?
Our ordering process is easy and our customer service is unforgettable!