“The text is too small to print”: The minimum font size for print

Why printers ask for this

Type is measured in points, 1/72 of an inch (about 0.35 mm) each, and the point size covers the font’s whole body, not the letters themselves. At 6 pt, the lowercase letters of a font like Arial are only about 1 mm tall, so the thin strokes, serifs and the gaps inside an e or an a are a fraction of that. Ink spreads a little as it soaks into the paper (dot gain), so those gaps fill in and the thin strokes break up, more on uncoated stock and labels than on coated paper.

Some small text is riskier than the rest. White or light type knocked out of a dark background fills in from the ink around it. Small black text built from four inks, or set in the Registration swatch, blurs when the plates are even slightly out of register. Light, condensed and fine serif fonts lose detail first. And type often shrinks without anyone choosing it: a logo or a placed PDF scaled down to fit, or a whole design reduced from a flyer to a postcard, takes its small print down with it.

Some minimums are rules, not advice. The FDA’s food labeling guide asks for ingredient lists and the other required information on the information panel in letters at least 1/16 in (1.6 mm) high, measured on the lowercase “o”, which is about 8.5 pt in Arial or Helvetica. EU food labels need an x-height of at least 1.2 mm, about 6.5 pt in Arial, or 0.9 mm on packs whose largest surface is under 80 cm². A printer can’t check a regulation for you, but they will flag text that may not print at all.

How to fix text that’s too small to print

1. Ask your printer for their minimum, and check any rules for the product. 6 pt is a common floor for dark text on white coated paper; many printers want 7–8 pt or more for white or light text on a dark background, colored text, thin or fine serif fonts, uncoated paper and labels. Amazon KDP asks for at least 7 pt in paperback interiors.
2. Find the smallest text. In InDesign, open the Preflight panel menu → Define Profiles, create a profile and turn on the minimum type size check in the Text section, set to your printer’s number: the Preflight panel then lists every frame below it. Option names vary between versions. In recent versions of Illustrator, select one line of small text and choose Select → Same → Font Size to find the rest.
3. Check the text inside scaled artwork. A logo, chart or placed PDF scaled to 50% has its type halved too, and no font-size menu in your layout shows it. Enlarge the type in the original file, or place the artwork bigger.
4. In a finished PDF, the free print-ready checker flags live text under 5 pt inside the trim, measured at the size it prints, and lists the pages. It can’t measure text that was converted to outlines, and your printer’s limit may be higher, so check anything near 6 pt by eye as well.
5. Make room rather than shrinking. Shorten the copy, move terms, ingredients or legal text to a back panel or a web page, tighten the spacing, or switch to a font with a larger x-height (the height of its lowercase letters), which reads bigger at the same point size.
6. Make small type easy to print: 100% K or one solid ink, never rich black or Registration, and a regular or bold weight rather than light. For white text on a dark background, go up a size or two and use a bolder sans serif rather than a fine serif.
7. Print a test at 100% on paper close to the real stock and read it at arm’s length. If you have to squint, so will your customers. For labels and packaging, where type is usually smallest, ask the printer for a proof.

Or send it to us

• Find every line under your printer’s minimum, including inside logos and placed PDFs
• Rework the layout to make room, so the text gets bigger without the design looking crowded
• Set small and reversed type in a single ink, in a weight that holds up on your paper
• Measure ingredient and warning text against the minimum height you or your printer give us