Serif · Christian Robertson
Roboto Slab
Find the font. Find its kind.
CSSfont-family: 'Roboto Slab', serif; font-weight: 400; font-style: normal; line-height: 1.1;
Roboto Slab is a free serif by Christian Robertson, on Google Fonts since 2013. Among the 354 serifs on FontKind, Roboto Slab has an x-height taller than 87%, is wider than 72% and, at its regular weight, is darker than 79%. Its thickest strokes are 1.3 times its thinnest: nearly even strokes.
01 / Light table
Laid on top of Kadwa
Roboto Slab on one light table with its two closest fonts, Kadwa (89 out of 100) and Aleo (88). Kadwa has nearly identical proportions; Aleo is 4% narrower, with an x-height 4% shorter.
Roboto Slab and Kadwa laid on top of each other.
Ink shared with Roboto SlabKadwa…
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 Roboto 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
Roboto Slab in 9 weights
9 weights, 100–900 · variable from 100 to 900
Variable weight, 100 to 900
- 100 Thin
- 200 Extra light
- 300 Light
- 400 Regular
- 500 Medium
- 600 Semibold
- 700 Bold
- 800 Extra bold
- 900 Black
04 / Facts
Who made Roboto Slab, and can you use it?
- Designer
- Christian Robertson
- Kind
- Serif
- Styles
- 9 weights, 100–900
- Variable axes
- Weight 100–900
- On Google Fonts since
- 2013
- Character sets
- cyrillic, cyrillic-ext, greek, greek-ext, latin, latin-ext, vietnamese
- Licence
- Apache License 2.0
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. Mark the files you changed.
- Sharing the files
- Yes. With its notices, even for a fee.
Roboto Slab is under the Apache License 2.0. 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 Roboto Slab, or upload it with Canva Pro. Canva’s help
- Cricut
- Once installed. Design Space lists Roboto Slab under System. Fonts for Cricut →
From each app’s own font list or help pages, read on 28 September 2026.
05 / Measurements
Roboto Slab, measured
Taken from the font file's own outlines, regular style
- x-height
- 52.8% of the emlowercase x
- Cap height
- 71.1% of the emcapitals
- x / cap
- 0.74lowercase against capitals
- Width
- 54.5% of the emaverage lowercase
- Ink
- 46%letter box filled
- Contrast
- 1.27 : 1nearly even strokes
Where it stands among serifs
Ranked against all 354 serifs on FontKind
x-heightLarger than 87% of serifs
WidthWider than 72% of serifs
InkDarker than 79% of serifs
ContrastMore even than 86% of serifs
06 / Similar fonts
Fonts similar to Roboto Slab
Matched letter by letter · its own family apart
Roboto Slab's own familyRoboto SerifRoboto MonoRobotoRoboto CondensedRoboto Flex
- Kadwa89Nearly identical proportions
- Aleo884% narrower · x-height 4% shorter
- Bitter8215% lighter
- Belgrano82x-height 6% shorter · 5% wider
- Epunda Slab8115% narrower · x-height 5% shorter
- Crete Round8020% heavier · x-height 6% shorter · 5% narrower
All 100 fonts similar to Roboto Slab →Compare side by side →Get Roboto Slab on Google Fonts
07 / Swap
Swap Roboto Slab without a jump
Running text within 3% of the width, x-height within 5%
- Kadwa89text 1.9% wider · same x-height
- Bitter82text 2.2% narrower · x-height 0.6% taller
- Domine80text 1.7% wider · x-height 2.2% taller
- Brawler77text 1.0% narrower · x-height 1.6% shorter
- Arvo76text 2.5% wider · x-height 4.2% shorter
- Slabo 13px74same text width · x-height 1.9% taller
Fallback while it loads
Until Roboto Slab loads, this sets Times New Roman in its place at 118.8% of its size, so running text keeps Roboto Slab’s width and lines keep their height: nothing moves when it arrives.
@font-face {
font-family: 'Roboto Slab Fallback';
src: local('Times New Roman');
size-adjust: 118.79%;
ascent-override: 88.21%;
descent-override: 22.81%;
line-gap-override: 0.00%;
}
font-family: 'Roboto Slab', 'Roboto Slab Fallback', serif;08 / Pairs
Used together with Roboto Slab
Of the 87,743 home pages that load Roboto Slab, 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
- Roboto48%41,843 sites · 2.3× chanceRoboto Slab’s own family
- Open Sans19%16,244 sites · 1× chance
- Montserrat9%7,863 sites · 0.7× chance
- Poppins7%6,165 sites · 0.6× chance
- Lato6.9%6,082 sites · 0.9× chance
- Roboto Condensed4.5%3,930 sites · 2.2× chanceRoboto Slab’s own family
More than chanceRoboto Serif 5.7×Pacifico 3.4×Kaushan Script 3.2×
Fonts that go with Roboto Slab: pairs and trios →The pairs sites choose most →
Pair checkerRoboto Slab + 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 Roboto Slab
Answered from its licence, Google Fonts and each app’s own font list
Is Roboto Slab free for commercial use?
Yes. Roboto Slab is under the Apache License 2.0 , which allows commercial use at any scale, logos, websites, apps and PDFs included; a file you change is marked as changed.
How do I download and install Roboto Slab?
FontKind doesn’t host Roboto 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 Roboto Slab in Microsoft Word?
Not until you install it: Roboto 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 Roboto Slab Thin and Roboto Slab Black. For someone who hasn’t installed it, turn on Embed fonts in the file in Word’s save options: its licence allows that.
Is Roboto Slab in Google Docs?
Most likely. Search for Roboto Slab under More fonts in the font menu of Docs; added there, it is in Sheets and Slides too.
Is Roboto Slab in Figma?
Yes: Roboto Slab is in Figma’s font menu with all nine weights, in the browser and the desktop app, with nothing to install.
How many weights does Roboto Slab have?
Roboto Slab comes in nine weights, from Thin (100) to Black (900). It is a variable font: it takes any weight from 100 to 900.
Who designed Roboto Slab?
Roboto Slab was designed by Christian Robertson. It has been on Google Fonts since April 2013. Christian Robertson also made Gotho.
What fonts are similar to Roboto Slab?
The closest in our letter-by-letter match are Kadwa (89), Aleo (88) and Bitter (82), out of 100. Next to Roboto Slab, Kadwa has nearly identical proportions. Its own family, listed apart, adds Roboto Serif, Roboto Mono, Roboto and two more. See all 100 fonts like Roboto Slab.