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Serif · Florian Karsten

Montagu Slab

Case
72 px
400 Regular
0 em
1.10
144, default
More axes (1)More axes (0)
144, default

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CSSfont-family: 'Montagu Slab', serif; font-weight: 400; font-style: normal; font-optical-sizing: none; line-height: 1.1;

Montagu Slab is a free serif by Florian Karsten, on Google Fonts since 2021. Among the 354 serifs on FontKind, Montagu Slab has an x-height taller than 70%, is wider than 81% and, at its regular weight, is darker than 62%. Its thickest strokes are 2.3 times its thinnest: high stroke contrast.

Compare with Trocchi →Compare with another font

01 / Light table

Laid on top of Trocchi

Montagu Slab on one light table with its two closest fonts, Trocchi (90 out of 100) and DejaVu Serif (87). Trocchi is 10% heavier, with less stroke contrast and an x-height 4% taller; DejaVu Serif has an x-height 3% taller.

Layout
Letters
Show

Montagu Slab and Trocchi laid on top of each other.

Ink shared with Montagu SlabTrocchi…

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 Montagu Slab 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

Montagu Slab in 7 weights

7 weights, 100–700 · variable from 100 to 700

Variable weight, 100 to 700

  • 100 Thin
  • 200 Extra light
  • 300 Light
  • 400 Regular
  • 500 Medium
  • 600 Semibold
  • 700 Bold

04 / Facts

Who made Montagu Slab, and can you use it?

Designer
Florian Karsten
Kind
Serif
Styles
7 weights, 100–700
Variable axes
Optical size 16–144, Weight 100–700
On Google Fonts since
2021
Character sets
latin, latin-ext, vietnamese
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.

Montagu Slab 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 Montagu Slab, or upload it with Canva Pro. Canva’s help
Cricut
Once installed. Design Space lists Montagu Slab 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 Montagu Slab on Google Fonts

05 / Measurements

Montagu Slab, measured

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

Hxgp in Montagu Slab. Lines at the measured heights, as a share of the em · The parts of a letter, named
x-height
50.3% of the emlowercase x
Cap height
68.2% of the emcapitals
x / cap
0.74lowercase against capitals
Width
56.0% of the emaverage lowercase
Ink
43%letter box filled
Contrast
2.29 : 1high stroke contrast

How we measure →

Where it stands among serifs

Ranked against all 354 serifs on FontKind

  • x-heightLarger than 70% of serifs

  • WidthWider than 81% of serifs

  • InkDarker than 62% of serifs

  • ContrastMore contrast than 61% of serifs

07 / Swap

Swap Montagu Slab without a jump

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

Fallback while it loads

Until Montagu Slab loads, this sets Times New Roman in its place at 122.9% of its size, so running text keeps Montagu Slab’s width and lines keep their height: nothing moves when it arrives.

@font-face {
  font-family: 'Montagu Slab Fallback';
  src: local('Times New Roman');
  size-adjust: 122.87%;
  ascent-override: 79.92%;
  descent-override: 24.42%;
  line-gap-override: 0.00%;
}

font-family: 'Montagu Slab', 'Montagu Slab Fallback', serif;

08 / Questions

Questions about Montagu Slab

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

Is Montagu Slab free for commercial use?

Yes. Montagu Slab 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 Montagu Slab?

FontKind doesn’t host Montagu Slab’s files: it comes free from Google Fonts . On its page there, choose Get font, then Download all, and unzip the file. It holds one variable file for every style, 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 Montagu Slab in Microsoft Word?

Not until you install it: Montagu Slab 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 Montagu Slab Thin and Montagu Slab 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 Montagu Slab in Google Docs?

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

Is Montagu Slab in Figma?

Yes: Montagu Slab is in Figma’s font menu with all seven weights, in the browser and the desktop app, with nothing to install.

How many weights does Montagu Slab have?

Montagu Slab comes in seven weights, from Thin (100) to Bold (700). It is a variable font: it takes any weight from 100 to 700 and optical sizes from 16 to 144.

Who designed Montagu Slab?

Montagu Slab was designed by Florian Karsten. It has been on Google Fonts since September 2021. Florian Karsten also made Space Grotesk.

What fonts are similar to Montagu Slab?

The closest in our letter-by-letter match are Trocchi (90), DejaVu Serif (87) and Besley (85), out of 100. Next to Montagu Slab, Trocchi is 10% heavier, with less stroke contrast and an x-height 4% taller. See all 100 fonts like Montagu Slab.