# Fonts Like Instrument Sans

12 open fonts whose letters are closest to Instrument Sans, ranked by a glyph comparison. All free for commercial use.

## Quick Answer

The closest open font to Instrument Sans is Liter (similarity 83), then Open Sauce One and Zalando Sans. Liter is released under the SIL Open Font License 1.1 and is free for commercial use.

## Ranked Open Lookalikes (12 Fonts)

| Rank | Font | Similarity Score | Licence | Details |
| :--- | :--- | :--- | :--- | :--- |
| #1 | **Liter** | 83 / 100 | OFL-1.1 | [/fonts/liter/](/fonts/liter.md) |
| #2 | **Open Sauce One** | 82 / 100 | OFL-1.1 | [/fonts/open-sauce-one/](/fonts/open-sauce-one.md) |
| #3 | **Zalando Sans** | 82 / 100 | OFL-1.1 | [/fonts/zalando-sans/](/fonts/zalando-sans.md) |
| #4 | **Mona Sans** | 82 / 100 | OFL-1.1 | [/fonts/mona-sans/](/fonts/mona-sans.md) |
| #5 | **TASA Orbiter** | 82 / 100 | OFL-1.1 | [/fonts/tasa-orbiter/](/fonts/tasa-orbiter.md) |
| #6 | **Host Grotesk** | 81 / 100 | OFL-1.1 | [/fonts/host-grotesk/](/fonts/host-grotesk.md) |
| #7 | **Mulish** | 81 / 100 | OFL-1.1 | [/fonts/mulish/](/fonts/mulish.md) |
| #8 | **Wix Madefor Display** | 81 / 100 | OFL-1.1 | [/fonts/wix-madefor-display/](/fonts/wix-madefor-display.md) |
| #9 | **DM Sans** | 81 / 100 | OFL-1.1 | [/fonts/dm-sans/](/fonts/dm-sans.md) |
| #10 | **Schibsted Grotesk** | 80 / 100 | OFL-1.1 | [/fonts/schibsted-grotesk/](/fonts/schibsted-grotesk.md) |
| #11 | **Albert Sans** | 80 / 100 | OFL-1.1 | [/fonts/albert-sans/](/fonts/albert-sans.md) |
| #12 | **Akt** | 80 / 100 | OFL-1.1 | [/fonts/akt/](/fonts/akt.md) |

## Other Scripts With Similar Latin Letters

- **Fustat** (Arab): Similarity 82, licence OFL-1.1 - [/fonts/fustat/](/fonts/fustat.md)

## Scoring Method

62 letters and digits (A-Z a-z 0-9) rendered at 160px cap height on a 32x32 grid with 3px gaussian blur, combined with edge-orientation texture (15% weight). Scores are normalized so that 0 represents an average pair of fonts across the 1571 compared fonts, and 100 represents identical letter shapes. Computed on 2026-10-22 using glyph-shape + edge-texture v2.

## Machine API

JSON representation available at [/api/fonts-like/instrument-sans.json](/api/fonts-like/instrument-sans.json).