Monospace · Eben Sorkin
Spline Sans Mono
Find the font. Find its kind.
CSSfont-family: 'Spline Sans Mono', monospace; font-weight: 400; font-style: normal; line-height: 1.1;
Spline Sans Mono is a free monospace font by Eben Sorkin and Mirko Velimirović, on Google Fonts since 2022. Among the 99 monospaced fonts on FontKind, Spline Sans Mono has an x-height taller than 78%, is of average width and, at its regular weight, is darker than 73%. Its thickest strokes are 1.2 times its thinnest: nearly even strokes.
01 / Light table
Laid on top of Monaspace Neon
Spline Sans Mono on one light table with its two closest fonts, Monaspace Neon (82 out of 100) and Google Sans Code (81). Monaspace Neon is 3% wider, with an x-height 6% shorter; Google Sans Code has an x-height 4% shorter.
Spline Sans Mono and Monaspace Neon laid on top of each other.
Ink shared with Spline Sans MonoMonaspace Neon…
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 Spline Sans 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 / Weights
Spline Sans Mono in 5 weights
5 weights, 300–700, with italics · variable from 300 to 700
Variable weight, 300 to 700
- 300 Light, with its italic
- 400 Regular, with its italic
- 500 Medium, with its italic
- 600 Semibold, with its italic
- 700 Bold, with its italic
04 / Facts
Who made Spline Sans Mono, and can you use it?
- Designer
- Eben Sorkin, Mirko Velimirović
- Kind
- Monospace
- Styles
- 5 weights, 300–700, with italics
- Variable axes
- Weight 300–700
- On Google Fonts since
- 2022
- 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.
- Sharing the files
- Yes, but not for sale. With the licence.
Spline Sans 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 Spline Sans Mono, or upload it with Canva Pro. Canva’s help
- Cricut
- Once installed. Design Space lists Spline Sans Mono under System. Fonts for Cricut →
From each app’s own font list or help pages, read on 28 September 2026.
05 / Measurements
Spline Sans Mono, measured
Taken from the font file's own outlines, regular style
- x-height
- 54.5% of the emlowercase x
- Cap height
- 72.7% of the emcapitals
- x / cap
- 0.75lowercase against capitals
- Width
- 60.0% of the emaverage lowercase
- Ink
- 40%letter box filled
- Contrast
- 1.16 : 1nearly even strokes
Where it stands among monospaced fonts
Ranked against all 99 monospaced fonts on FontKind
x-heightLarger than 78% of monospaced fonts
WidthNear the middle of monospaced fonts
InkDarker than 73% of monospaced fonts
ContrastMore contrast than 63% of monospaced fonts
06 / Similar fonts
Fonts similar to Spline Sans Mono
Matched letter by letter · its own family apart
Spline Sans Mono's own familySpline Sans
- Monaspace Neon82x-height 6% shorter · 3% wider
- Google Sans Code81x-height 4% shorter
- Roboto Mono807% lighter · x-height 3% shorter
- JetBrains Mono808% lighter
- IBM Plex Mono7612% lighter · x-height 5% shorter
- Lilex7612% lighter · x-height 5% shorter
All 100 fonts similar to Spline Sans Mono →Compare side by side →Get Spline Sans Mono on Google Fonts
07 / Swap
Swap Spline Sans Mono without a jump
Running text within 3% of the width, x-height within 5%
- Google Sans Code81same text width · x-height 4.0% shorter
- Roboto Mono80same text width · x-height 3.1% shorter
- JetBrains Mono80same text width · x-height 0.8% taller
- JuliaMono76same text width · x-height 0.8% taller
- DejaVu Mono75same text width · same x-height
- Geist Mono73same text width · x-height 2.8% shorter
Fallback while it loads
Until Spline Sans Mono loads, this sets Courier New in its place at 100% of its size, so running text keeps Spline Sans Mono’s width and lines keep their height: nothing moves when it arrives.
@font-face {
font-family: 'Spline Sans Mono Fallback';
src: local('Courier New');
size-adjust: 99.98%;
ascent-override: 96.37%;
descent-override: 23.65%;
line-gap-override: 0.00%;
}
font-family: 'Spline Sans Mono', 'Spline Sans Mono Fallback', monospace;08 / Pairs
Used together with Spline Sans Mono
Of the 589 home pages that load Spline Sans Mono, the share that load each font too, and how that compares with chance.
Same page, not which sets the headings · HTTP Archive , 1 September 2026
- Hanken Grotesk16%97 sites · 108× chance
- Archivo13%79 sites · 21× chance
- Bricolage Grotesque12%71 sites · 63× chance
- Inter11%62 sites · 1× chance
- Fraunces10%61 sites · 23× chance
- Instrument Sans9.5%56 sites · 33× chance
More than chanceHanken Grotesk 108×Bricolage Grotesque 63×Instrument Sans 33×
Pair checkerSpline Sans Mono + any fontHow many of the 6,276,350 home pages counted load the two together, and how that compares with chance.Check this font with any other09 / Questions
Questions about Spline Sans Mono
Answered from its licence, Google Fonts and each app’s own font list
Is Spline Sans Mono free for commercial use?
Yes. Spline Sans Mono is under the SIL Open Font License 1.1 , which allows commercial use at any scale, logos, websites, apps and PDFs included.
How do I download and install Spline Sans Mono?
FontKind doesn’t host Spline Sans 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 two variable files, one for the uprights and one for the italics, and a static folder with a file per style: install one set or the other, not both. On Windows or a Mac, double-click each font file and choose Install, then restart any app that was open, Word included.
Is Spline Sans Mono in Microsoft Word?
Not until you install it: Spline Sans Mono isn’t one of Microsoft 365’s cloud fonts. Installed, it is in Word’s font menu and PowerPoint’s. On Windows, its weights beyond Regular and Bold show as fonts of their own, such as Spline Sans Mono Light and Spline Sans Mono SemiBold. For someone who hasn’t installed it, turn on Embed fonts in the file in Word’s save options: its licence allows that.
Is Spline Sans Mono in Google Docs?
Most likely. Search for Spline Sans Mono under More fonts in the font menu of Docs; added there, it is in Sheets and Slides too.
Is Spline Sans Mono in Figma?
Yes: Spline Sans Mono is in Figma’s font menu with all five weights and their italics, in the browser and the desktop app, with nothing to install.
How many weights does Spline Sans Mono have?
Spline Sans Mono comes in five weights: Light (300), Regular (400), Medium (500), SemiBold (600) and Bold (700), each with an italic. It is a variable font: it takes any weight from 300 to 700.
Who designed Spline Sans Mono?
Spline Sans Mono was designed by Eben Sorkin and Mirko Velimirović. It has been on Google Fonts since March 2022. Eben Sorkin also made Black Ops One, Agbalumo, Alata and seven more on FontKind.
What fonts are similar to Spline Sans Mono?
The closest in our letter-by-letter match are Monaspace Neon (82), Google Sans Code (81) and Roboto Mono (80), out of 100. Next to Spline Sans Mono, Monaspace Neon is 3% wider, with an x-height 6% shorter. Its own family, listed apart, adds Spline Sans. See all 100 fonts like Spline Sans Mono.