# Fraction Checkbox

> A select-all checkbox for a list that shows partial selection as a gauge, filling its box in proportion to how many child items are checked instead of just showing an indeterminate dash.

- Author: [ham7a311](https://21st.dev/@ham7a311)
- Library: ham7a311
- License: MIT
- Tags: Checkbox, Form, List
- Live preview: https://21st.dev/@ham7a311/components/fraction-checkbox

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/ham7a311/fraction-checkbox?api_key=$API_KEY_21ST"
```

Requires a 21st API key (generate one at https://21st.dev/mcp) passed as `API_KEY_21ST`. Free accounts get a limited number of installs per day; unlimited on a paid plan — see https://21st.dev/pricing.

Full component directory: https://21st.dev/llms.txt · More like this: https://21st.dev/community/components/s/checkbox.md