# Fonts Like Single Day

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

## Quick Answer

The closest open font to Single Day is Bubblegum Sans (similarity 44), then Chewy and Piedra. Bubblegum Sans is released under the SIL Open Font License 1.1 and is free for commercial use.

## Ranked Open Lookalikes (12 Fonts)

> Note: Scores under 50 indicate no open font is very close; these share some traits.

| Rank | Font | Similarity Score | Licence | Details |
| :--- | :--- | :--- | :--- | :--- |
| #1 | **Bubblegum Sans** | 44 / 100 | OFL-1.1 | [/fonts/bubblegum-sans/](/fonts/bubblegum-sans.md) |
| #2 | **Chewy** | 44 / 100 | Apache-2.0 | [/fonts/chewy/](/fonts/chewy.md) |
| #3 | **Piedra** | 42 / 100 | OFL-1.1 | [/fonts/piedra/](/fonts/piedra.md) |
| #4 | **Margarine** | 40 / 100 | OFL-1.1 | [/fonts/margarine/](/fonts/margarine.md) |
| #5 | **Skranji** | 38 / 100 | OFL-1.1 | [/fonts/skranji/](/fonts/skranji.md) |
| #6 | **Salsa** | 36 / 100 | OFL-1.1 | [/fonts/salsa/](/fonts/salsa.md) |
| #7 | **Nerko One** | 36 / 100 | OFL-1.1 | [/fonts/nerko-one/](/fonts/nerko-one.md) |
| #8 | **Spicy Rice** | 35 / 100 | OFL-1.1 | [/fonts/spicy-rice/](/fonts/spicy-rice.md) |
| #9 | **Aladin** | 35 / 100 | OFL-1.1 | [/fonts/aladin/](/fonts/aladin.md) |
| #10 | **Madimi One** | 35 / 100 | OFL-1.1 | [/fonts/madimi-one/](/fonts/madimi-one.md) |
| #11 | **Caveat Brush** | 35 / 100 | OFL-1.1 | [/fonts/caveat-brush/](/fonts/caveat-brush.md) |
| #12 | **Schoolbell** | 35 / 100 | Apache-2.0 | [/fonts/schoolbell/](/fonts/schoolbell.md) |

## Other Scripts With Similar Latin Letters

- **Jua** (Kore): Similarity 45, licence OFL-1.1 - [/fonts/jua/](/fonts/jua.md)
- **Gamja Flower** (Kore): Similarity 41, licence OFL-1.1 - [/fonts/gamja-flower/](/fonts/gamja-flower.md)
- **Yeon Sung** (Kore): Similarity 40, licence OFL-1.1 - [/fonts/yeon-sung/](/fonts/yeon-sung.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/single-day.json](/api/fonts-like/single-day.json).