Monospace · Vernon Adams
Oxygen Mono
Find the font. Find its kind.
CSSfont-family: 'Oxygen Mono', monospace; font-weight: 400; font-style: normal; line-height: 1.1;
Oxygen Mono is a free monospace font by Vernon Adams, on Google Fonts since 2012. Among the 99 monospaced fonts on FontKind, Oxygen Mono has an x-height taller than 72%, is wider than 66% and, at its regular weight, is lighter than 71%. Its thickest strokes are 1.3 times its thinnest: moderate stroke contrast.
01 / Light table
Laid on top of DejaVu Mono
Oxygen Mono on one light table with its two closest fonts, DejaVu Mono (87 out of 100) and Noto Sans Mono (84). DejaVu Mono has nearly identical proportions; Noto Sans Mono has nearly identical proportions.
Oxygen Mono and DejaVu Mono laid on top of each other.
Ink shared with Oxygen MonoDejaVu Mono…
Most different letters first; the figure is the share of ink the fonts have in common. Where the fonts agree the letters cancel to black: every white sliver is a real difference.
02 / Letters
The Oxygen Mono alphabet
Capitals, lowercase, figures and signs · weight 400
Tap the letters you like, here and in other fonts, to find the fonts whose letters look most like them.
- &
- ?
- !
- @
- %
- (
- )
03 / Sizes
Oxygen Mono at every size
1 weight (400) · six sizes, in your words
- 12 px
- 16 px
- 24 px
- 36 px
- 48 px
- 72 px
04 / Facts
Who made Oxygen Mono, and can you use it?
- Designer
- Vernon Adams
- Kind
- Monospace
- Styles
- 1 weight (400)
- On Google Fonts since
- 2012
- Character sets
- latin, latin-ext
- Licence
- SIL Open Font License 1.1
Can I use it?
- Commercial use
- Yes.
- Logos
- Yes.
- Websites and apps
- Yes. Self-hosted or loaded from Google Fonts.
- PDFs and documents
- Yes.
- Changes
- Yes, under another name. Not as “Oxygen”: the licence reserves the name.
- Sharing the files
- Yes, but not for sale. With the licence.
Oxygen Mono is under the SIL Open Font License 1.1. This is a plain summary, not legal advice: the licence itself decides.
Already in your apps?
- Google Docs
- Most likely. Under More fonts, in Sheets and Slides too. Google’s guide
- Word, PowerPoint
- No. Install it from Google Fonts first. Microsoft’s list
- Figma
- Yes. Built in, nothing to install. Figma’s help
- Canva
- Not verified. Search its font menu for Oxygen Mono, or upload it with Canva Pro. Canva’s help
- Cricut
- Once installed. Design Space lists Oxygen Mono under System. Fonts for Cricut →
From each app’s own font list or help pages, read on 28 September 2026.
05 / Measurements
Oxygen Mono, measured
Taken from the font file's own outlines, regular style
- x-height
- 53.6% of the emlowercase x
- Cap height
- 72.8% of the emcapitals
- x / cap
- 0.74lowercase against capitals
- Width
- 60.0% of the emaverage lowercase
- Ink
- 36%letter box filled
- Contrast
- 1.31 : 1moderate stroke contrast
Where it stands among monospaced fonts
Ranked against all 99 monospaced fonts on FontKind
x-heightLarger than 72% of monospaced fonts
WidthWider than 66% of monospaced fonts
InkLighter than 71% of monospaced fonts
ContrastMore contrast than 89% of monospaced fonts
06 / Similar fonts
Fonts similar to Oxygen Mono
Matched letter by letter · its own family apart
Oxygen Mono's own familyOxygen
- DejaVu Mono87Nearly identical proportions
- Noto Sans Mono84Nearly identical proportions
- JuliaMono82Nearly identical proportions
- Noto Mono79Nearly identical proportions
- Fira Code77Nearly identical proportions
- Google Sans Code7612% heavier · less stroke contrast
All 100 fonts similar to Oxygen Mono →Compare side by side →Get Oxygen Mono on Google Fonts
07 / Swap
Swap Oxygen Mono without a jump
Running text within 3% of the width, x-height within 5%
- DejaVu Mono87same text width · x-height 2.1% taller
- Noto Sans Mono84same text width · same x-height
- JuliaMono82same text width · x-height 2.7% taller
- Noto Mono79same text width · same x-height
- Fira Code77same text width · x-height 1.7% shorter
- Google Sans Code76same text width · x-height 2.3% shorter
Fallback while it loads
Until Oxygen Mono loads, this sets Courier New in its place at 100% of its size, so running text keeps Oxygen Mono’s width and lines keep their height: nothing moves when it arrives.
@font-face {
font-family: 'Oxygen Mono Fallback';
src: local('Courier New');
size-adjust: 100.00%;
ascent-override: 98.39%;
descent-override: 32.81%;
line-gap-override: 0.00%;
}
font-family: 'Oxygen Mono', 'Oxygen Mono Fallback', monospace;08 / Questions
Questions about Oxygen Mono
Answered from its licence, Google Fonts and each app’s own font list
Is Oxygen Mono free for commercial use?
Yes. Oxygen Mono is under the SIL Open Font License 1.1 , which allows commercial use at any scale, logos, websites, apps and PDFs included; a changed version may not be called “Oxygen”.
How do I download and install Oxygen Mono?
FontKind doesn’t host Oxygen Mono’s files: it comes free from Google Fonts . On its page there, choose Get font, then Download all, and unzip the file. It holds a single font file. On Windows or a Mac, double-click each font file and choose Install, then restart any app that was open, Word included.
Is Oxygen Mono in Microsoft Word?
Not until you install it: Oxygen Mono isn’t one of Microsoft 365’s cloud fonts. Installed, it is in Word’s font menu and PowerPoint’s. For someone who hasn’t installed it, turn on Embed fonts in the file in Word’s save options: its licence allows that.
Is Oxygen Mono in Google Docs?
Most likely. Search for Oxygen Mono under More fonts in the font menu of Docs; added there, it is in Sheets and Slides too.
Is Oxygen Mono in Figma?
Yes: Oxygen Mono is in Figma’s font menu, in the browser and the desktop app, with nothing to install.
How many weights does Oxygen Mono have?
Oxygen Mono comes in one weight, Regular (400). Ask for bold and most apps thicken the letters themselves: a faux bold, not a drawn one.
Who designed Oxygen Mono?
Oxygen Mono was designed by Vernon Adams. It has been on Google Fonts since September 2012. Vernon Adams also made Bangers, Nunito, Oswald and 52 more on FontKind.
What fonts are similar to Oxygen Mono?
The closest in our letter-by-letter match are DejaVu Mono (87), Noto Sans Mono (84) and JuliaMono (82), out of 100. Next to Oxygen Mono, DejaVu Mono has nearly identical proportions. Its own family, listed apart, adds Oxygen. See all 100 fonts like Oxygen Mono.