Rational Font

  • Sans Serif
  • OpenType
  • 67 chars
  • 18 styles
  • ↓ 1
  • Personal use only

Rational is a sans serif font by Rene Bieder, available in 18 styles (Light (250) to Black (900)). It is free for personal use; commercial use needs a license.

72px
Rational
Thin · 250
Rational
Thin Italic · 250 italic
Rational
ExtraLight · 275
Rational
ExtraLight Italic · 275 italic
Rational
Light · 300
Rational
Light Italic · 300 italic
Rational
Regular · 400
Rational
Regular Italic · 400 italic
Rational
Medium · 500
Rational
Medium Italic · 500 italic
Rational
SemiBold · 600
Rational
SemiBold Italic · 600 italic
Rational
Bold · 700
Rational
Bold Italic · 700 italic
Rational
ExtraBold · 800
Rational
ExtraBold Italic · 800 italic
Rational
Black · 900
Rational
Black Italic · 900 italic
Rational
ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789&?!@#$%.,:;"()[]{}+-=*/
12px Rational
16px Rational
20px Rational
24px Rational
32px Rational
40px Rational
48px Rational
64px Rational
80px Rational
96px Rational
Rational
Poster
Rational
hello@yourbrand.com
Business card
Rational
Label

About Rational

Rational is a contemporary sans-serif typeface inspired by early twentieth-century grotesk lettering traditions. It features precise geometric construction, clean structural lines, and a utilitarian aesthetic that delivers high legibility and an uncluttered visual presentation across a variety of digital and print formats.

This versatile typeface is exceptionally well-suited for professional corporate identities, modern web applications, editorial design, and minimalist branding systems. Its structured, neutral character provides a sleek and authoritative typographic voice that adapts seamlessly to dense layouts and prominent display headers alike.

This description was generated with AI from the font's own metadata and reviewed before publishing. The license details below come from the font's own files.

License: Demo / Trial

  • ✓ Personal use
  • ✕ Commercial use
  • ✕ Use as a web font

For commercial projects, buy a commercial license from the designer.

Copyright © 2022 by Rene Bieder. All rights reserved.

Version: Version 1.000

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Frequently asked questions

Is Rational free to download?

Yes. Rational is free to download on FontsStack. It is free for personal use; commercial use needs a license from the designer.

Can I use Rational commercially?

Rational is not free for commercial use. You can buy a commercial license from the designer.

How many styles does Rational have?

Rational includes 18 styles, ranging from Light (250) to Black (900).

Who designed Rational?

Rational was designed by Rene Bieder.

Can I use Rational on a website?

Web embedding for Rational is not available here; check the license for web use.

How do I install Rational?

Download the ZIP, unzip it, then double-click each font file and choose Install (Windows) or Font Book → Install (Mac).

Last updated Sep 30, 2026

Rational Download free