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A tunable, variable alternative to Inter

The word Inter set in ReCal Sans, a free open-source variable alternative to Inter.
RegularHorizon 68
Regular ItalicBalance 719
MediumContrast 29
Medium ItalicPrecision 1794
SemiboldInterval 953
Semibold ItalicOutline 602
BoldTexture 46
Bold ItalicSequence 891
ReCal Sans — all 8 weights & italics, tuned toward Inter · GEOM 25 · optical sizing auto

Inter is the modern UI workhorse: a tall x-height screen grotesque with meticulous spacing, variable weight and optical sizing, free under the OFL. If you need neutral, Inter is close to unbeatable — and "free alternative" would be an empty pitch, because Inter costs nothing.

What ReCal Sans adds is range of voice. Its GEOM axis moves the letterforms themselves — from disambiguated, accessibility-first shapes through clean UI forms to circular geometric display — where Inter stays deliberately neutral. Keep the optical sizing you expect, pick the construction you want, and bake it into a static file that ships anywhere.

Customize it above ↑

The tell: what gives Inter away

Inter's tell is that it has none, and that is the design. It is drawn to blend — to temper a spicier display face, a loud palette, a busy layout — and it succeeds by refusing a signature. Cal Sans' neutral UI base does the same job, which is why this preset is the plainest of the eight: the mise en place, not the dish. Both take the humanist 6 and 9.

Where ReCal Sans loses

Inter cuts almost every terminal at 90° to its stroke and square to the baseline; the a is one of the few exceptions. Cal Sans holds the perpendicular cut but tilts most terminals off the baseline to open the counterforms. That is the trade: less of Inter's even grey, more room inside the letter where small sizes need it.

Will it drop into a Inter layout?

ReCal Sans was built to be as seamless as possible for the Cal.com team, who pivoted directly off Inter — identical x-height performance and similar, though not identical, copyfit. The brief was functional cooperativeness while still making something new, not a clone with tweaks. It is not an Arial-to-Helvetica metric clone and was never meant to be.

At the same point size Inter feels the same, though the two are not the same: Cal Sans is wider and carries more curved tops, which compensates for a real difference in x-height. Measured on the cap-height-normalized comparison, Inter runs about 10% taller.

What this preset freezes

Baked into the font you download, named as CalSansVF declares them:

  • ss16 — Humanist/Grotesk 6 and 9

Frequently asked

Inter is already free — why use ReCal Sans instead?
Because of voice, not cost. Inter is an excellent screen face and it already carries an optical-size axis — what it does not carry is a way out of its own register. ReCal Sans adds a GEOM axis that moves the letterforms from accessibility-optimized through clean UI to geometric display, covering ground Inter deliberately does not.
How is ReCal Sans different from Inter?
Inter varies weight, optical size and slant inside one deliberately neutral design. ReCal Sans varies the design itself: GEOM travels from accessibility-optimized shapes through clean UI to geometric display, so a single file can be a UI face on one screen and a display face on the next.
Can I use ReCal Sans commercially?
Yes — the SIL Open Font License permits commercial use, embedding and modification. The font is yours to ship.

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