Source Serif 4 ExtraBold
Source Serif 4 ExtraBold is the weight 800 face of Source Serif 4, a serif family. Its lowercase letters are 12% wider than the typical serif font.
Measured metrics
| Average lowercase letter width | 577.4 units per 1000 em |
|---|---|
| Average capital letter width | 694.1 units per 1000 em |
| Word space | 215 units per 1000 em |
| Digits | tabular (every digit is 577 units wide, so columns of numbers line up) |
| Spacing | proportional |
| Width of i compared with m | 36% |
| Printable ASCII characters covered | 94 of 94 |
| Category | Serif |
Fonts closest to Source Serif 4 ExtraBold
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.
- Noto Serif JP SemiBoldsimilar widths (19.3 units)
- Noto Serif SC SemiBoldsimilar widths (19.3 units)
- Noto Serif TC SemiBoldsimilar widths (19.3 units)
- Noto Serif KR SemiBoldsimilar widths (19.3 units)
- Noto Serif HK SemiBoldsimilar widths (19.3 units)
- Noto Serif JP Mediumsimilar widths (20.4 units)
- Noto Serif KR Mediumsimilar widths (20.4 units)
- Noto Serif SC Mediumsimilar widths (20.4 units)
Editing a PDF that uses Source Serif 4 ExtraBold
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 Source Serif 4 ExtraBold from the widths stored in your PDF, loads the complete open font, and sets your new text in Source Serif 4 ExtraBold itself. The rest of the page is carried over untouched.
Other Source Serif 4 styles
- Source Serif 4 ExtraLight Italic
- Source Serif 4 ExtraLight
- Source Serif 4 Light Italic
- Source Serif 4 Light
- Source Serif 4 Italic
- Source Serif 4 Regular
- Source Serif 4 Medium Italic
- Source Serif 4 Medium
- Source Serif 4 SemiBold Italic
- Source Serif 4 SemiBold
- Source Serif 4 Bold Italic
- Source Serif 4 Bold
- Source Serif 4 ExtraBold Italic
- Source Serif 4 Black Italic
- Source Serif 4 Black
Questions people ask
+What font is closest to Source Serif 4 ExtraBold?
Among open fonts in the catalogue, Noto Serif JP SemiBold has the closest letter widths to Source Serif 4 ExtraBold: similar widths, a mean difference of 19.3 units per 1000 em.
+Does Source Serif 4 ExtraBold have tabular numbers?
Yes. All ten digits are 577 units wide, so numbers in tables and invoices line up.
+Can I type new text in Source Serif 4 ExtraBold inside a PDF?
Yes. MythosPDF recognises the font from your PDF, loads the complete Source Serif 4 font, and sets new letters in Source Serif 4 ExtraBold.
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