Donegal One
Donegal One is a serif font in 1 weight. Its lowercase letters are 7% wider than the typical serif font. Last updated 8 September 2025.
Editing a PDF that uses Donegal One
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 Donegal One from the widths stored in your PDF, loads the complete open font, and sets your new text in Donegal One itself. The rest of the page is carried over untouched.
Measured metrics
| Average lowercase letter width | 553.7 units per 1000 em |
|---|---|
| Average capital letter width | 730.4 units per 1000 em |
| Word space | 334 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 Donegal One
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.
- Trykker Regularloosely similar widths (34.6 units)
- PT Serif Caption Regularloosely similar widths (36.5 units)
- Adamina Regularloosely similar widths (37.4 units)
- Noto Serif SC Regularloosely similar widths (37.5 units)
- Noto Serif HK Regularloosely similar widths (37.5 units)
- Noto Serif KR Regularloosely similar widths (37.5 units)
- Noto Serif TC Regularloosely similar widths (37.5 units)
- Noto Serif JP Regularloosely similar widths (37.5 units)
Compare Donegal One
Questions people ask
+Can I edit a PDF that uses Donegal One?
Yes. Drop the PDF into MythosPDF and click the text. New letters are set in Donegal One itself, loaded from the open font, so the edit matches the rest of the page.
+Is Donegal One free to use?
Donegal One 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 Donegal One?
By measured letter widths, Trykker is the closest match among open fonts (a mean difference of 34.6 units per 1000 em). Text set in one takes almost the same space in the other.
+Which languages does Donegal One support?
It includes these character sets: Latin, Central European.
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