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Saira

The library lists Saira together with three more families that share a designer with it and either its name or its measurements. It is one of 91 families offering all nine weights from Thin to Black, each with an italic.

Outlines drawn from the Saira file at weight 400. The dashed line is the median x-height of the sans serifs.

Measure, per 1,000 em	Saira	Median of 732 sans serifs
Ascender (top of d)	743	740
Cap height (top of H)	688	702
x-height (top of x)	510	519
Descender (foot of p)	−200	−213
x-height ÷ cap height	0.74	0.70
Average lowercase width	526	522
Ink coverage, a–z	38.6%	40.2%

Versions and companionsA shared designer and a shared name or matching measurements

Version	Compared with Saira	Added
Saira Condensed	lowercase narrower by 126; static files only	2016
Saira Extra Condensed	lowercase narrower by 184; static files only	2016
Saira Semi Condensed	lowercase narrower by 61; static files only	2016

Where it sitsEvery sans serif family is a dot

X-height across the 716 sans serifs with ascenders

294672

Just below: Mouse Memoirs, Seymour One; just above: Hammersmith One, TikTok Sans; level with: Acme, AR One Sans, Google Sans

Average lowercase width across the 732 sans serifs

1831,319

Just below: Tenor Sans, Raleway; just above: TASA Explorer, Tauri; level with: Schibsted Grotesk

Weights and styles

One variable file per style covers every weight from 100 to 900.

Axis	Tag	Range	In the library
Width	wdth	50 to 125	99 families
Weight	wght	100 to 900	545 families

Scripts3 subsets · families sharing each

Inside the file

In the measured file: 897 glyphs and 661 mapped Unicode characters; 25 OpenType feature tags.

Declared features: old-style figures, lining figures, tabular figures, proportional figures, fractions, superscripts, subscripts, ordinals, standard ligatures, stylistic alternates, slashed zero, case-sensitive forms and two stylistic sets.

Measured neighboursClosest in proportion; differences per 1,000 em

IBM Plex Sanstaller x-height, narrower IBM Plex Sans Arabictaller x-height, narrower IBM Plex Sans Devanagaritaller x-height, narrower IBM Plex Sans Hebrewtaller x-height, narrower IBM Plex Sans KRtaller x-height, narrower IBM Plex Sans Thaitaller x-height, narrower

Outside the sans serif class

Saira Stencilequal x-height, same width Oxaniumtaller x-height, narrower IBM Plex Seriftaller x-height, wider

Rank every family against Saira

Same designer

Omnibus-Type is credited on 30 other families in the library, from Unna (2011) to Asap Sharp (2026); the closest of them in x-height and width is Saira Stencil.