Protect whitespace
Margins create a frame that makes dense career information easier to scan and prevents the page from feeling crowded.
Set resume margins that create a readable page, protect content during PDF export and printing, and avoid the cramped look caused by forcing too much information into limited space.

Quick answer
Around 0.5–1 inch (roughly 12.7–25.4 mm) is a practical range for many resume layouts, with about 0.75–1 inch often producing comfortable whitespace. The exact value depends on the template and content. Edit repetition before pushing margins to extremes simply to hit a page count.
What matters most
Margins create a frame that makes dense career information easier to scan and prevents the page from feeling crowded.
Uneven or extremely narrow margins can make a resume look accidental even when every sentence is strong.
Inspect the PDF because printer settings, page sizes, fonts, and export behavior can change where content wraps.
Inside PortCV
PortCV provides page-level formatting controls so margin decisions can be made with the actual resume visible. Change page padding, review section spacing, and watch page breaks before exporting the final version.
Open the resume engineGuide 01
A full one-inch margin is conservative and spacious. Around three-quarters of an inch can recover useful room while retaining a clear frame. Half-inch margins may work for content-heavy resumes but require careful typography and spacing. Values narrower than that can feel cramped and may print poorly depending on the device.
There is no ATS scoring advantage to a specific margin value. Choose readability and reliable document output.
Guide 02
Large gaps after every heading, redundant summary text, long bullet spacing, and repeated skill groups can consume more space than page margins. Tighten the editorial structure and use consistent section spacing before compressing the outer frame.
If only one or two lines spill onto a second page, shortening a weak bullet is often a better fix than making the entire resume visually denser.
Guide 03
A4 and US Letter have different proportions. A layout that fits perfectly on one may wrap differently on the other. Use the size appropriate to the application market or employer instructions.
Always review the exported PDF rather than relying only on the browser canvas, especially when a resume will be printed.
Questions people ask
About 0.75–1 inch is a comfortable starting range for many layouts, while 0.5 inch can work when space is tight and readability remains strong.
Not necessarily, but they create a denser page. Check typography, whitespace, print behavior, and overall balance before using them.
There is no universal ATS margin rule. Text extraction, reading order, file format, and relevant content are more important.
PortCV Resume Engine
Turn the guidance into a real resume in PortCV. Edit structured sections, refine wording with AI, check job alignment, switch layouts without rewriting your content, and export a polished PDF from one resume engine.