# Seeed Studio XIAO ESP32C3

> What are the Seeed Studio XIAO ESP32C3 dimensions?

- Category: Electronics › Microcontroller boards · 2022
- Kind: Modern device
- Basis: Seeed Studio wiki (board size); outline DXF on the same page
- Page: https://xemstudio.com/objects/seeed-xiao-esp32c3/ · JSON: https://xemstudio.com/api/geometry?object=seeed-xiao-esp32c3 · Plain text: https://xemstudio.com/objects/seeed-xiao-esp32c3/sheet.txt
- License: dimension sheet CC BY 4.0 (Xem Studio); linked files under their publishers' licenses
- Use in every chat: add https://xemstudio.com/mcp as a connector (https://xemstudio.com/use-with-ai/)

## Overall (mm)

| length | width |
|---|---|
| 21.0 | 17.8 |

**Exact dimensions.** True size, with no printing tolerance added.

## Notes

- XIAO ESP32C3: 21 × 17.8 mm, USB-C on one short edge, castellated pads on both long edges.
- Every XIAO shares this outline, so one enclosure or carrier fits all of them; check component height and antenna position per variant.
- Seeed publishes the outline as a DXF on the wiki page; thickness and pad positions are not given in text.

## Where the files are

- Seeed Studio (official): [XIAO ESP32C3 getting started (specifications)](https://wiki.seeedstudio.com/XIAO_ESP32C3_Getting_Started/) — web — Manufacturer documentation

## Questions

**How big is the Seeed Studio XIAO ESP32C3?**

21.0 × 17.8 mm (0.83 × 0.70 in).

## Fits with

- [Seeed Studio XIAO (all variants)](https://xemstudio.com/objects/seeed-xiao/)
- [Seeed Studio XIAO ESP32S3](https://xemstudio.com/objects/seeed-xiao-esp32s3/)
- [Seeed Studio XIAO RP2040](https://xemstudio.com/objects/seeed-xiao-rp2040/)
- [Seeed Studio XIAO SAMD21](https://xemstudio.com/objects/seeed-xiao-samd21/)
- [Seeed Studio XIAO nRF52840](https://xemstudio.com/objects/seeed-xiao-nrf52840/)