Serif · Rodrigo Fuenzalida
Instrument Serif
Find the font. Find its kind.
CSSfont-family: 'Instrument Serif', serif; font-weight: 400; font-style: normal; line-height: 1.1;
Instrument Serif is a free serif by Rodrigo Fuenzalida and Jordan Egstad, on Google Fonts since 2023. Among the 354 serifs on FontKind, Instrument Serif has an x-height taller than 78%, is narrower than 96% and, at its regular weight, is lighter than 72%. Its thickest strokes are 3.0 times its thinnest: high stroke contrast.
Compare with Libre Caslon Condensed →Compare with another font
01 / Light table
Laid on top of Libre Caslon Condensed
Instrument Serif on one light table with its two closest fonts, Libre Caslon Condensed (78 out of 100) and Gambarino (78). Libre Caslon Condensed is 10% wider and 13% heavier, with less stroke contrast; Gambarino is 23% wider, with more stroke contrast and an x-height 4% taller.
Instrument Serif and Libre Caslon Condensed laid on top of each other.
Ink shared with Instrument SerifLibre Caslon Condensed…
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 Instrument Serif 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 / Styles
Instrument Serif, upright and italic
1 weight (400), with italics
- 400 Regular, with its italic
04 / Facts
Who made Instrument Serif, and can you use it?
- Designer
- Rodrigo Fuenzalida, Jordan Egstad
- Kind
- Serif
- Styles
- 1 weight (400), with italics
- On Google Fonts since
- 2023
- 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.
Instrument Serif 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 Instrument Serif, or upload it with Canva Pro. Canva’s help
- Cricut
- Once installed. Design Space lists Instrument Serif under System. Fonts for Cricut →
From each app’s own font list or help pages, read on 28 September 2026.
05 / Measurements
Instrument Serif, measured
Taken from the font file's own outlines, regular style
- x-height
- 51.0% of the emlowercase x
- Cap height
- 72.0% of the emcapitals
- x / cap
- 0.71lowercase against capitals
- Width
- 39.2% of the emaverage lowercase
- Ink
- 38%letter box filled
- Contrast
- 3.04 : 1high stroke contrast
Where it stands among serifs
Ranked against all 354 serifs on FontKind
x-heightLarger than 78% of serifs
WidthNarrower than 96% of serifs
InkLighter than 72% of serifs
ContrastMore contrast than 82% of serifs
06 / Similar fonts
Fonts similar to Instrument Serif
Matched letter by letter · its own family apart
- Libre Caslon Condensed7810% wider · less stroke contrast · 13% heavier
- Gambarino7823% wider · more stroke contrast · x-height 4% taller
- Hina Mincho74x-height 25% shorter · 10% heavier
- Bonny7330% lighter · less stroke contrast · 4% wider
- Shippori Mincho B17337% wider · x-height 6% shorter · less stroke contrast
- Gupter73x-height 11% shorter · 11% wider · less stroke contrast
All 100 fonts similar to Instrument Serif →Compare side by side →Get Instrument Serif on Google Fonts
07 / Swap
Swap Instrument Serif without a jump
Running text within 3% of the width, x-height within 5%
Fallback while it loads
Until Instrument Serif loads, this sets Times New Roman in its place at 84.6% of its size, so running text keeps Instrument Serif’s width and lines keep their height: nothing moves when it arrives.
@font-face {
font-family: 'Instrument Serif Fallback';
src: local('Times New Roman');
size-adjust: 84.64%;
ascent-override: 116.97%;
descent-override: 36.63%;
line-gap-override: 0.00%;
}
font-family: 'Instrument Serif', 'Instrument Serif Fallback', serif;08 / Pairs
Used together with Instrument Serif
Of the 8,923 home pages that load Instrument Serif, 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
- Inter26%2,278 sites · 2.5× chance
- JetBrains Mono13%1,182 sites · 26× chance
- Instrument Sans9.7%862 sites · 33× chanceSame designer
- DM Sans8.7%779 sites · 4.4× chance
- Geist7.3%652 sites · 23× chance
- Manrope5.1%456 sites · 3× chance
More than chanceInstrument Sans 33×Geist Mono 28×JetBrains Mono 26×
Fonts that go with Instrument Serif: pairs and trios →The pairs sites choose most →
Pair checkerInstrument Serif + 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 Instrument Serif
Answered from its licence, Google Fonts and each app’s own font list
Is Instrument Serif free for commercial use?
Yes. Instrument Serif 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 Instrument Serif?
FontKind doesn’t host Instrument Serif’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 font files, one per style. On Windows or a Mac, double-click each font file and choose Install, then restart any app that was open, Word included.
Is Instrument Serif in Microsoft Word?
Not until you install it: Instrument Serif 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 Instrument Serif in Google Docs?
Most likely. Search for Instrument Serif under More fonts in the font menu of Docs; added there, it is in Sheets and Slides too.
Is Instrument Serif in Figma?
Yes: Instrument Serif is in Figma’s font menu, in the browser and the desktop app, with nothing to install.
How many weights does Instrument Serif have?
Instrument Serif comes in one weight, Regular (400), with an italic. Ask for bold and most apps thicken the letters themselves: a faux bold, not a drawn one.
Who designed Instrument Serif?
Instrument Serif was designed by Rodrigo Fuenzalida and Jordan Egstad. It has been on Google Fonts since March 2023. Rodrigo Fuenzalida also made Raleway, Outfit, Public Sans and nine more on FontKind.
What fonts are similar to Instrument Serif?
The closest in our letter-by-letter match are Libre Caslon Condensed (78), Gambarino (78) and Hina Mincho (74), out of 100. Next to Instrument Serif, Libre Caslon Condensed is 10% wider and 13% heavier, with less stroke contrast. See all 100 fonts like Instrument Serif.