Is 11 too small a font?
No, size 11 font is not too small for a resume. In fact, size 10.5 font is even okay as long as it's still easy for the hiring manager to read. Because some fonts are slightly smaller than others, always check that your font is readable no matter the size.
Is 12pt font too small?
While a 12pt font size might technically be legible, it's not always considered readable. Legibility means that text can be understood, whereas readability takes factors like emotions and ease of reading into play. These days, the baseline for most fonts is usually around 16–20px.
How many pixels should text be?
Choose a font that's at least 16 pixels, or 12 points. If many of your users are older adults, consider using an even larger font size—19 pixels or 14 points.