Unbounded
Unbounded is a sans serif font in 8 weights, also available as a variable font. Its lowercase letters are 33% wider than the typical sans serif font. Last updated 11 September 2025.
Editing a PDF that uses Unbounded
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 Unbounded from the widths stored in your PDF, loads the complete open font, and sets your new text in Unbounded itself. The rest of the page is carried over untouched.
Measured metrics
| Average lowercase letter width | 687.6 units per 1000 em |
|---|---|
| Average capital letter width | 855.9 units per 1000 em |
| Word space | 265 units per 1000 em |
| Digits | proportional (digit widths differ) |
| Spacing | proportional |
| Width of i compared with m | 23% |
| Printable ASCII characters covered | 94 of 94 |
| Category | Sans serif |
Weights and styles
Languages beyond basic Latin
Open fonts closest to Unbounded
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.
- Special Gothic Expanded One Regularloosely similar widths (35.8 units)
- Hepta Slab Regularloosely similar widths (57.5 units)
- BBH Hegarty Regularloosely similar widths (60 units)
- BBH Sans Hegarty Regularloosely similar widths (60 units)
- Stint Ultra Expanded Regularloosely similar widths (60.1 units)
- Zalando Sans Expanded Regularloosely similar widths (60.5 units)
- Science Gothic Regularloosely similar widths (60.8 units)
- Pathway Extreme Regularloosely similar widths (61.8 units)
Compare Unbounded
Questions people ask
+Can I edit a PDF that uses Unbounded?
Yes. Drop the PDF into MythosPDF and click the text. New letters are set in Unbounded itself, loaded from the open font, so the edit matches the rest of the page.
+Is Unbounded free to use?
Unbounded 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 Unbounded?
By measured letter widths, Special Gothic Expanded One is the closest match among open fonts (a mean difference of 35.8 units per 1000 em). Text set in one takes almost the same space in the other.
+Which languages does Unbounded support?
It includes these character sets: Cyrillic, Cyrillic Extended, Latin, Central European, Vietnamese.
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