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Space Mono

Space Mono is a monospace font in 2 weights with italics. Its lowercase letters are about as wide as the typical monospace font. Last updated 25 June 2025.

Space Mono: The quick brown fox jumps over the lazy dog 0123456789
Space Mono Regular
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Editing a PDF that uses Space Mono

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 Space Mono from the widths stored in your PDF, loads the complete open font, and sets your new text in Space Mono itself. The rest of the page is carried over untouched.

Measured metrics

Average lowercase letter width612 units per 1000 em
Average capital letter width612 units per 1000 em
Word space612 units per 1000 em
Digitstabular (every digit is 612 units wide, so columns of numbers line up)
Spacingmonospaced
Width of i compared with m100%
Printable ASCII characters covered94 of 94
CategoryMonospace

Weights and styles

Languages beyond basic Latin

Open fonts closest to Space Mono

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.

  1. Intel One Mono Regularnearly identical widths (2 units)
  2. Overpass Mono Regularnearly identical widths (4 units)
  3. Fragment Mono Regularvery close widths (6 units)
  4. Cutive Mono Regularvery close widths (6.5 units)
  5. Sono Regularvery close widths (7 units)
  6. Monaspace Argon Regularvery close widths (8 units)
  7. Monaspace Neon Regularvery close widths (8 units)
  8. Monaspace Xenon Regularvery close widths (8 units)

Compare Space Mono

Questions people ask

+Can I edit a PDF that uses Space Mono?

Yes. Drop the PDF into MythosPDF and click the text. New letters are set in Space Mono itself, loaded from the open font, so the edit matches the rest of the page.

+Is Space Mono free to use?

Space Mono 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 Space Mono?

By measured letter widths, Intel One Mono is the closest match among open fonts (a mean difference of 2 units per 1000 em). Text set in one takes almost the same space in the other.

+Which languages does Space Mono support?

It includes these character sets: Latin, Central European, Vietnamese.

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