BioRhyme
BioRhyme is a serif font in 7 weights, also available as a variable font. Its lowercase letters are 17% wider than the typical serif font. Last updated 16 September 2025.
Editing a PDF that uses BioRhyme
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 BioRhyme from the widths stored in your PDF, loads the complete open font, and sets your new text in BioRhyme itself. The rest of the page is carried over untouched.
Measured metrics
| Average lowercase letter width | 607.1 units per 1000 em |
|---|---|
| Average capital letter width | 806.7 units per 1000 em |
| Word space | 295 units per 1000 em |
| Digits | proportional (digit widths differ) |
| Spacing | proportional |
| Width of i compared with m | 34% |
| Printable ASCII characters covered | 94 of 94 |
| Category | Serif |
Weights and styles
Languages beyond basic Latin
Open fonts closest to BioRhyme
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.
- Literata Regularloosely similar widths (41 units)
- Hepta Slab Regularloosely similar widths (41.4 units)
- Young Serif Regularloosely similar widths (42.7 units)
- Gelasio Regularloosely similar widths (44.4 units)
- Besley Regularloosely similar widths (45.2 units)
- Noto Serif HK Regularloosely similar widths (45.2 units)
- Noto Serif SC Regularloosely similar widths (45.2 units)
- Noto Serif JP Regularloosely similar widths (45.2 units)
Compare BioRhyme
Questions people ask
+Can I edit a PDF that uses BioRhyme?
Yes. Drop the PDF into MythosPDF and click the text. New letters are set in BioRhyme itself, loaded from the open font, so the edit matches the rest of the page.
+Is BioRhyme free to use?
BioRhyme 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 BioRhyme?
By measured letter widths, Literata is the closest match among open fonts (a mean difference of 41 units per 1000 em). Text set in one takes almost the same space in the other.
+Which languages does BioRhyme support?
It includes these character sets: Latin, Central European.
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