Cactus Classical Serif
Cactus Classical Serif is a serif font in 1 weight. Its lowercase letters are about as wide as the typical serif font. Last updated 11 March 2026.
Editing a PDF that uses Cactus Classical 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 Cactus Classical Serif from the widths stored in your PDF, loads the complete open font, and sets your new text in Cactus Classical Serif itself. The rest of the page is carried over untouched.
Measured metrics
| Average lowercase letter width | 509.3 units per 1000 em |
|---|---|
| Average capital letter width | 648.5 units per 1000 em |
| Word space | 237 units per 1000 em |
| Digits | tabular (every digit is 497 units wide, so columns of numbers line up) |
| Spacing | proportional |
| Width of i compared with m | 33% |
| Printable ASCII characters covered | 94 of 94 |
| Category | Serif |
Weights and styles
Languages beyond basic Latin
Open fonts closest to Cactus Classical 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.
- Source Serif Pro Regularnearly identical widths (3.3 units)
- Song Myung Regularvery close widths (13.7 units)
- Source Serif 4 Regularsimilar widths (21.9 units)
- Frank Ruhl Libre Regularsimilar widths (25.7 units)
- DM Serif Text Regularsimilar widths (27.2 units)
- Labrada Regularsimilar widths (27.3 units)
- DM Serif Display Regularsimilar widths (28.2 units)
- Poly Regularsimilar widths (28.3 units)
Compare Cactus Classical Serif
Questions people ask
+Can I edit a PDF that uses Cactus Classical Serif?
Yes. Drop the PDF into MythosPDF and click the text. New letters are set in Cactus Classical Serif itself, loaded from the open font, so the edit matches the rest of the page.
+Is Cactus Classical Serif free to use?
Cactus Classical 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 Cactus Classical Serif?
By measured letter widths, Source Serif Pro is the closest match among open fonts (a mean difference of 3.3 units per 1000 em). Text set in one takes almost the same space in the other.
+Which languages does Cactus Classical Serif support?
It includes these character sets: Chinese Traditional, Cyrillic, Latin, Central European, Vietnamese.
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