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Sans serif · Szymon Celej

Doppio One

Case
72 px
Weight400 RegularThe only weight it comes in
0 em
1.10

Find the font. Find its kind.

CSSfont-family: 'Doppio One', sans-serif; font-weight: 400; font-style: normal; line-height: 1.1;

Doppio One is a free sans serif by Szymon Celej, on Google Fonts since 2012. Among the 697 sans serifs on FontKind, Doppio One has an average x-height, is wider than 71% and, at its regular weight, is darker than 86%. Its thickest strokes are 1.2 times its thinnest: nearly even strokes.

Compare with Kanit →Compare with another font

01 / Light table

Laid on top of Kanit

Doppio One on one light table with its two closest fonts, Kanit (90 out of 100) and Blinker (85). Kanit has an x-height 8% shorter; Blinker is 11% narrower and 20% lighter, with an x-height 4% shorter.

Layout
Letters
Show

Doppio One and Kanit laid on top of each other.

Ink shared with Doppio OneKanit…

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.

Open in the compare tool →

02 / Letters

The Doppio One 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

Doppio One 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 Doppio One, and can you use it?

Designer
Szymon Celej
Kind
Sans serif
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 “Doppio”: the licence reserves the name.
Sharing the files
Yes, but not for sale. With the licence.

Doppio One is under the SIL Open Font License 1.1. This is a plain summary, not legal advice: the licence itself decides.

What each licence allows →

Read the licence

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 Doppio One, or upload it with Canva Pro. Canva’s help
Cricut
Once installed. Design Space lists Doppio One under System. Fonts for Cricut →

From each app’s own font list or help pages, read on 28 September 2026.

How each app gets its fonts →

Get Doppio One on Google Fonts

05 / Measurements

Doppio One, measured

Taken from the font file's own outlines, regular style

Hxgp in Doppio One. Lines at the measured heights, as a share of the em · The parts of a letter, named
x-height
51.5% of the emlowercase x
Cap height
69.7% of the emcapitals
x / cap
0.74lowercase against capitals
Width
53.3% of the emaverage lowercase
Ink
53%letter box filled
Contrast
1.25 : 1nearly even strokes

How we measure →

Where it stands among sans serifs

Ranked against all 697 sans serifs on FontKind

  • x-heightNear the middle of sans serifs

  • WidthWider than 71% of sans serifs

  • InkDarker than 86% of sans serifs

  • ContrastMore contrast than 67% of sans serifs

07 / Swap

Swap Doppio One without a jump

Running text within 3% of the width, x-height within 5%

Fallback while it loads

Until Doppio One loads, this sets Arial in its place at 107.1% of its size, so running text keeps Doppio One’s width and lines keep their height: nothing moves when it arrives.

@font-face {
  font-family: 'Doppio One Fallback';
  src: local('Arial');
  size-adjust: 107.12%;
  ascent-override: 93.91%;
  descent-override: 22.79%;
  line-gap-override: 0.00%;
}

font-family: 'Doppio One', 'Doppio One Fallback', sans-serif;

08 / Questions

Questions about Doppio One

Answered from its licence, Google Fonts and each app’s own font list

Is Doppio One free for commercial use?

Yes. Doppio One 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 “Doppio”.

How do I download and install Doppio One?

FontKind doesn’t host Doppio One’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 Doppio One in Microsoft Word?

Not until you install it: Doppio One 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 Doppio One in Google Docs?

Most likely. Search for Doppio One under More fonts in the font menu of Docs; added there, it is in Sheets and Slides too.

Is Doppio One in Figma?

Yes: Doppio One is in Figma’s font menu, in the browser and the desktop app, with nothing to install.

How many weights does Doppio One have?

Doppio One 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 Doppio One?

Doppio One was designed by Szymon Celej. It has been on Google Fonts since February 2012.

What fonts are similar to Doppio One?

The closest in our letter-by-letter match are Kanit (90), Blinker (85) and Viga (82), out of 100. Next to Doppio One, Kanit has an x-height 8% shorter. See all 100 fonts like Doppio One.