RocknRoll One
RocknRoll One is a sans serif font in 1 weight. Its lowercase letters are 9% wider than the typical sans serif font. Last updated 10 September 2025.
Editing a PDF that uses RocknRoll 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 RocknRoll One from the widths stored in your PDF, loads the complete open font, and sets your new text in RocknRoll One itself. The rest of the page is carried over untouched.
Measured metrics
| Average lowercase letter width | 567.8 units per 1000 em |
|---|---|
| Average capital letter width | 712.7 units per 1000 em |
| Word space | 345 units per 1000 em |
| Digits | tabular (every digit is 690 units wide, so columns of numbers line up) |
| Spacing | proportional |
| Width of i compared with m | 32% |
| Printable ASCII characters covered | 94 of 94 |
| Category | Sans serif |
Weights and styles
Languages beyond basic Latin
Open fonts closest to RocknRoll 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.
- Reggae One Regularvery close widths (10.3 units)
- Train One Regularvery close widths (10.3 units)
- TikTok Sans Regularsimilar widths (29.3 units)
- M PLUS 1 Regularloosely similar widths (39.9 units)
- M PLUS 2 Regularloosely similar widths (40.2 units)
- Rampart One Regularloosely similar widths (40.7 units)
- Inter Regularloosely similar widths (41.3 units)
- Aldrich Regularloosely similar widths (41.5 units)
Compare RocknRoll One
Questions people ask
+Can I edit a PDF that uses RocknRoll One?
Yes. Drop the PDF into MythosPDF and click the text. New letters are set in RocknRoll One itself, loaded from the open font, so the edit matches the rest of the page.
+Is RocknRoll One free to use?
RocknRoll 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 RocknRoll One?
By measured letter widths, Reggae One is the closest match among open fonts (a mean difference of 10.3 units per 1000 em). Text set in one takes almost the same space in the other.
+Which languages does RocknRoll One support?
It includes these character sets: Japanese, Latin, Central European.
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