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Roboto Serif

Roboto Serif is a serif font in 9 weights with italics, also available as a variable font. Its lowercase letters are 15% wider than the typical serif font. Last updated 14 April 2026.

Roboto Serif: The quick brown fox jumps over the lazy dog 0123456789
Roboto Serif Regular
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Editing a PDF that uses Roboto Serif

Most PDFs embed only the letters they already use. Type a new letter and many editors either refuse or swap in a different font. MythosPDF recognises Roboto Serif from the widths stored in your PDF, loads the complete open font, and sets your new text in Roboto Serif itself. The rest of the page is carried over untouched.

Measured metrics

Average lowercase letter width594.7 units per 1000 em
Average capital letter width740.3 units per 1000 em
Word space260 units per 1000 em
Digitstabular (every digit is 560 units wide, so columns of numbers line up)
Spacingproportional
Width of i compared with m35%
Printable ASCII characters covered94 of 94
CategorySerif

Weights and styles

Languages beyond basic Latin

Open fonts closest to Roboto Serif

Measured on every printable character both fonts contain. A smaller difference means the same words take the same space, so lines break in the same places.

  1. Literata Regularsimilar widths (29.3 units)
  2. Noto Serif SC Regularloosely similar widths (34.2 units)
  3. Noto Serif JP Regularloosely similar widths (34.2 units)
  4. Noto Serif TC Regularloosely similar widths (34.2 units)
  5. Noto Serif HK Regularloosely similar widths (34.2 units)
  6. Noto Serif KR Regularloosely similar widths (34.2 units)
  7. Readex Pro Regularloosely similar widths (34.8 units)
  8. Biryani Regularloosely similar widths (35.8 units)

Compare Roboto Serif

Questions people ask

+Can I edit a PDF that uses Roboto Serif?

Yes. Drop the PDF into MythosPDF and click the text. New letters are set in Roboto Serif itself, loaded from the open font, so the edit matches the rest of the page.

+Is Roboto Serif free to use?

Roboto Serif is released under the SIL Open Font License 1.1, an open licence that allows free use in documents, including commercial ones. Check the licence text for your exact use.

+Which font is closest to Roboto Serif?

By measured letter widths, Literata is the closest match among open fonts (a mean difference of 29.3 units per 1000 em). Text set in one takes almost the same space in the other.

+Which languages does Roboto Serif support?

It includes these character sets: Cyrillic, Cyrillic Extended, Latin, Central European, Vietnamese.

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