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IBM Plex Serif Regular

IBM Plex Serif Regular is the weight 400 face of IBM Plex Serif, a serif family. Its lowercase letters are 4% wider than the typical serif font.

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IBM Plex Serif Regular
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Measured metrics

Average lowercase letter width538.5 units per 1000 em
Average capital letter width673.7 units per 1000 em
Word space232 units per 1000 em
Digitstabular (every digit is 600 units wide, so columns of numbers line up)
Spacingproportional
Width of i compared with m33%
Printable ASCII characters covered94 of 94
CategorySerif

Fonts closest to IBM Plex Serif Regular

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. IBM Plex Sans Mediumsimilar widths (23.8 units)
  2. Anuphan SemiBoldsimilar widths (23.8 units)
  3. IBM Plex Sans Thai Looped SemiBoldsimilar widths (23.8 units)
  4. IBM Plex Sans Arabic SemiBoldsimilar widths (23.8 units)
  5. IBM Plex Sans Hebrew SemiBoldsimilar widths (23.8 units)
  6. IBM Plex Sans Thai Looped Mediumsimilar widths (23.8 units)
  7. IBM Plex Sans KR Mediumsimilar widths (23.8 units)
  8. IBM Plex Sans Hebrew Mediumsimilar widths (23.8 units)

Editing a PDF that uses IBM Plex Serif Regular

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 IBM Plex Serif Regular from the widths stored in your PDF, loads the complete open font, and sets your new text in IBM Plex Serif Regular itself. The rest of the page is carried over untouched.

Other IBM Plex Serif styles

Questions people ask

+What font is closest to IBM Plex Serif Regular?

Among open fonts in the catalogue, IBM Plex Sans Medium has the closest letter widths to IBM Plex Serif Regular: similar widths, a mean difference of 23.8 units per 1000 em.

+Does IBM Plex Serif Regular have tabular numbers?

Yes. All ten digits are 600 units wide, so numbers in tables and invoices line up.

+Can I type new text in IBM Plex Serif Regular inside a PDF?

Yes. MythosPDF recognises the font from your PDF, loads the complete IBM Plex Serif font, and sets new letters in IBM Plex Serif Regular.

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