Rubik Mono One
Rubik Mono One is a sans serif font in 1 weight. Its lowercase letters are 64% wider than the typical sans serif font. Last updated 11 September 2025.
Editing a PDF that uses Rubik Mono 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 Rubik Mono One from the widths stored in your PDF, loads the complete open font, and sets your new text in Rubik Mono One itself. The rest of the page is carried over untouched.
Measured metrics
| Average lowercase letter width | 850 units per 1000 em |
|---|---|
| Average capital letter width | 850 units per 1000 em |
| Word space | 850 units per 1000 em |
| Digits | tabular (every digit is 850 units wide, so columns of numbers line up) |
| Spacing | monospaced |
| Width of i compared with m | 100% |
| Printable ASCII characters covered | 93 of 94 |
| Category | Sans serif |
Weights and styles
Languages beyond basic Latin
Open fonts closest to Rubik Mono 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.
- DSEG14 Modern Mini Regularloosely similar widths (57.3 units)
- DSEG14 Classic Mini Regularloosely similar widths (57.3 units)
- DSEG14 Classic Regularloosely similar widths (57.3 units)
- DSEG14 Modern Regularloosely similar widths (57.3 units)
- DSEG7 Classic Mini Regularloosely similar widths (64.1 units)
- DSEG7 Modern Regularloosely similar widths (64.1 units)
- DSEG7 Classic Regularloosely similar widths (64.1 units)
- DSEG7 Modern Mini Regularloosely similar widths (64.1 units)
Compare Rubik Mono One
Questions people ask
+Can I edit a PDF that uses Rubik Mono One?
Yes. Drop the PDF into MythosPDF and click the text. New letters are set in Rubik Mono One itself, loaded from the open font, so the edit matches the rest of the page.
+Is Rubik Mono One free to use?
Rubik Mono 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 Rubik Mono One?
By measured letter widths, DSEG14 Modern Mini is the closest match among open fonts (a mean difference of 57.3 units per 1000 em). Text set in one takes almost the same space in the other.
+Which languages does Rubik Mono One support?
It includes these character sets: Cyrillic, Latin, Central European.
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