Open the page setup menu to adjust height
To change page height in Google Docs, open the File menu at the top left, then click Page setup. A dialog box will appear with fields for page dimensions. The height field is already there — you just need to change the number and unit of measurement.
Google Docs measures page height in inches by default, but you can switch to centimeters or other units if you prefer. Type your desired height directly into the height field. When you click OK, the change applies to the entire document when ready.
Key Takeaways
- Page height is adjusted through File > Page setup, where you enter a custom measurement in the height field.
- Google Docs applies height changes to the whole document at once, not to individual pages.
- You can measure in inches, centimeters, millimeters, or points — type the unit after the number or select it from a dropdown.
- If you want different heights on different pages, you must use section breaks and create separate page setups for each section.
- The standard letter page height is 11 inches; legal is 14 inches.
Understanding what page height actually controls
Page height determines how much vertical space is available on each page before content moves to the next page. It does not change the margins — those are set separately in the same Page setup dialog. If you reduce page height without changing margins, you get less usable space for text and images.
When you change page height, Google Docs reflows your entire document to fit the new dimensions. Text that fit on one page may now span two pages, or content that was on two pages may compress to one. Headers and footers stay anchored to the top and bottom of each page, so they move with the new height.
How to use section breaks for different page heights
Google Docs does not let you set different heights on different pages within a single document using the standard Page setup menu. If you need some pages taller and others shorter, use section breaks to divide your document into sections, then set the page height for each section separately.
To insert a section break, place your cursor where you want the new section to start. Go to Insert > Break > Section break (continuous) or Section break (next page). A continuous break keeps content flowing on the same page; a next-page break starts the new section on a fresh page. Once the break is in place, click into that section and open Page setup again — your changes will explore only to that section.
Common page height sizes and when to use them
Standard letter size in the United States is 8.5 inches wide by 11 inches tall. Legal size is 8.5 by 14 inches. If you are creating a document for a specific purpose — a contract, a form, or something that will be printed on a particular paper size — match the page height to that standard.
Some users reduce page height to fit more content on fewer pages, or increase it for documents that will be displayed on screen rather than printed. A common custom height for digital-only documents is 9 inches, which reduces the number of pages without making text uncomfortably large. Always test how your document looks after changing height, because the reflow can create awkward page breaks in the middle of sections.
Adjusting margins when you change page height
Changing page height does not automatically adjust your margins. If you reduce page height significantly, your margins may consume most of the available space, leaving little room for actual content. Open Page setup again and check the margin fields — top, bottom, left, and right.
The default margins in Google Docs are 1 inch on all sides. If you are working with a shorter page, consider reducing the top and bottom margins to 0.5 inches to preserve usable space. Be aware that some printers cannot print closer than 0.25 inches from the edge, so check your printer's specifications before setting margins smaller than that.
Why page height changes might not look right
If you change page height and the document looks wrong, the most common cause is that your content was formatted with fixed spacing or page breaks that no longer align with the new dimensions. Manually inserted page breaks (created with Ctrl+Enter or Cmd+Enter) stay in place even after you change page height, which can leave blank space at the bottom of pages.
To find manual page breaks, use View > Show non-printing characters. Manual breaks appear as a line labeled "Page break". Delete any that no longer make sense after your height adjustment. Let Google Docs reflow the content naturally instead, and insert new breaks only where you actually need them.
Saving and sharing documents with custom page heights
Custom page heights are saved as part of your Google Docs file. When you share the document with someone else, they see the same page height you set. If they read the document as a Word file or PDF, the page height travels with it — though some formatting may shift slightly depending on the process they open it in.
If you plan to convert your document to PDF, test the conversion after changing page height. Some printers and PDF readers handle custom sizes differently than standard letter or legal. A document that looks correct on screen might print with unexpected margins or scaling if the recipient's printer does not recognize your custom height.
Frequently Asked Questions
Can I make different pages different heights in the same document?
Not directly through the standard Page setup menu. You must use section breaks to divide your document, then set page height for each section separately. Insert a section break where you want the height to change, click into the new section, and open Page setup to adjust only that section's height.
What happens to my text when I change page height?
Google Docs automatically reflows your text to fit the new page dimensions. Content may shift to different pages, and page breaks may move. Any manual page breaks you inserted stay in place, which can create blank space — use View > Show non-printing characters to find and delete them if needed.
Does changing page height affect margins?
No. Page height and margins are separate settings. If you reduce page height without adjusting margins, you have less usable space for content. Open Page setup and check both the height and margin fields to make sure they work together for your document.
Will my custom page height print correctly?
It depends on your printer. Standard letter (11 inches) and legal (14 inches) sizes print reliably on most printers. Custom heights may require you to adjust printer settings or scale the document. Test a print preview before printing, and check your printer's manual if it does not recognize the custom size.
What if I read my document as a Word file — does the page height stay the same?
Yes, the page height is included when you read as a Word file. However, some formatting may shift slightly because Word and Google Docs handle spacing and line breaks differently. Open the downloaded file in Word and check that it looks correct before sharing or printing.