Train One
Train One is a display font in 1 weight. Its lowercase letters are 12% wider than the typical display font. Last updated 5 September 2025.
Editing a PDF that uses Train 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 Train One from the widths stored in your PDF, loads the complete open font, and sets your new text in Train One itself. The rest of the page is carried over untouched.
Measured metrics
| Average lowercase letter width | 588 units per 1000 em |
|---|---|
| Average capital letter width | 728.7 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 | 34% |
| Printable ASCII characters covered | 94 of 94 |
| Category | Display |
Weights and styles
Languages beyond basic Latin
Open fonts closest to Train 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 Regularidentical letter widths (0.1 units)
- RocknRoll One Regularvery close widths (10.3 units)
- TikTok Sans Regularloosely similar widths (30.7 units)
- Archivo Black Regularloosely similar widths (38.6 units)
- Archivo Regularloosely similar widths (40.7 units)
- M PLUS U Regularloosely similar widths (41.2 units)
- M PLUS 2 Regularloosely similar widths (41.3 units)
- M PLUS 1 Regularloosely similar widths (41.5 units)
Compare Train One
Questions people ask
+Can I edit a PDF that uses Train One?
Yes. Drop the PDF into MythosPDF and click the text. New letters are set in Train One itself, loaded from the open font, so the edit matches the rest of the page.
+Is Train One free to use?
Train 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 Train One?
By measured letter widths, Reggae One is the closest match among open fonts (a mean difference of 0.1 units per 1000 em). Text set in one takes almost the same space in the other.
+Which languages does Train One support?
It includes these character sets: Cyrillic, Japanese, Latin, Central European.
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