# CR2032 coin cell

> What are the dimensions of a CR2032 coin cell?

- Category: Power & cooling › Batteries
- Kind: Standard part
- Basis: IEC 60086 standard
- Page: https://xemstudio.com/objects/cr2032-coin-cell/ · JSON: https://xemstudio.com/api/geometry?object=cr2032-coin-cell · Plain text: https://xemstudio.com/objects/cr2032-coin-cell/sheet.txt
- License: dimension sheet CC BY 4.0 (Xem Studio); linked files under their publishers' licenses

## Overall (mm)

| length | width | height |
|---|---|---|
| 3.2 | 20 | 20 |

## Notes

- Ø20 × 3.2 mm; CR2025 is 2.5 mm thick, CR2016 1.6 mm, same diameter.
- Negative is the flat face; positive is the can with the printed side.

## Where the files are

- Wikipedia: [List of battery sizes](https://en.wikipedia.org/wiki/List_of_battery_sizes) — web — CC BY-SA 4.0 (text)

## Free STEP/STL (3 parts, CC BY 4.0, Xem Studio)

Index: https://xemstudio.com/files/hardware/cr2032-coin-cell/index.json

- cell-cr2032: [STEP](https://xemstudio.com/files/hardware/cr2032-coin-cell/cell-cr2032.step) · [STL](https://xemstudio.com/files/hardware/cr2032-coin-cell/cell-cr2032.stl) — CR2032 Ø20 × 3.2
- cell-cr2025: [STEP](https://xemstudio.com/files/hardware/cr2032-coin-cell/cell-cr2025.step) · [STL](https://xemstudio.com/files/hardware/cr2032-coin-cell/cell-cr2025.stl) — CR2025 Ø20 × 2.5
- cell-cr2016: [STEP](https://xemstudio.com/files/hardware/cr2032-coin-cell/cell-cr2016.step) · [STL](https://xemstudio.com/files/hardware/cr2032-coin-cell/cell-cr2016.stl) — CR2016 Ø20 × 1.6

## Questions

**What are CR2032 dimensions?**

Ø20 × 3.2 mm. CR2025 is 2.5 mm thick and CR2016 1.6 mm, same diameter.

**Which side of a CR2032 is positive?**

The can with the printed side is positive; the flat face is negative.

## Fits with

- [AA and AAA cells](https://xemstudio.com/objects/aa-aaa-cells/)
- [Raspberry Pi Pico](https://xemstudio.com/objects/raspberry-pi-pico/)