Michroma
Michroma is a sans serif font in 1 weight. Its lowercase letters are 39% wider than the typical sans serif font. Last updated 5 September 2025.
Editing a PDF that uses Michroma
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 Michroma from the widths stored in your PDF, loads the complete open font, and sets your new text in Michroma itself. The rest of the page is carried over untouched.
Measured metrics
| Average lowercase letter width | 718.8 units per 1000 em |
|---|---|
| Average capital letter width | 1013 units per 1000 em |
| Word space | 284.2 units per 1000 em |
| Digits | proportional (digit widths differ) |
| Spacing | proportional |
| Width of i compared with m | 18% |
| Printable ASCII characters covered | 94 of 94 |
| Category | Sans serif |
Weights and styles
Languages beyond basic Latin
Open fonts closest to Michroma
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.
- Unbounded Regularloosely similar widths (89.5 units)
- Geostar Regularloosely similar widths (95.2 units)
- Geostar Fill Regularloosely similar widths (96.2 units)
- Zen Dots Regularloosely similar widths (96.3 units)
- Science Gothic Regularloosely similar widths (98 units)
- Zalando Sans Expanded Regularloosely similar widths (103.5 units)
- Vast Shadow Regularloosely similar widths (107 units)
- Stint Ultra Expanded Regularloosely similar widths (107 units)
Compare Michroma
Questions people ask
+Can I edit a PDF that uses Michroma?
Yes. Drop the PDF into MythosPDF and click the text. New letters are set in Michroma itself, loaded from the open font, so the edit matches the rest of the page.
+Is Michroma free to use?
Michroma 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 Michroma?
By measured letter widths, Unbounded is the closest match among open fonts (a mean difference of 89.5 units per 1000 em). Text set in one takes almost the same space in the other.
+Which languages does Michroma support?
It includes these character sets: Latin, Central European.
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