# HC-SR04 ultrasonic sensor

> What are the dimensions of the HC-SR04 ultrasonic sensor?

- Category: Electronics › Modules & cameras
- Kind: Modern device
- Basis: ElecFreaks datasheet (mirror)
- Page: https://xemstudio.com/objects/hc-sr04-ultrasonic-sensor/ · JSON: https://xemstudio.com/api/geometry?object=hc-sr04-ultrasonic-sensor · Plain text: https://xemstudio.com/objects/hc-sr04-ultrasonic-sensor/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 | height |
|---|---|---|
| 45 | 20 | 15 |

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

## Notes

- HC-SR04 ultrasonic sensor: 45 × 20 × 15 mm. Published 45 × 20 × 15 mm. Transducer spacing and holes are not published, and clones vary (scan planned).
- No mounting-hole positions are published.
- The file is the outline; components and connectors are not modelled.

## Sizes

| dimension | value |
|---|---|
| size | 45 × 20 × 15 mm |

## Where the files are

- ElecFreaks datasheet: [HC-SR04 ultrasonic sensor](https://www.radiolocman.com/datasheet/pdf.html?di=168043) — web — Publisher's page; dimensions are facts

## Free STEP/STL (1 parts, CC BY 4.0, Xem Studio)

Index: https://xemstudio.com/files/hardware/hc-sr04-ultrasonic-sensor/index.json

- hc-sr04-ultrasonic-sensor-outline: [STEP](https://xemstudio.com/files/hardware/hc-sr04-ultrasonic-sensor/hc-sr04-ultrasonic-sensor-outline.step) · [STL](https://xemstudio.com/files/hardware/hc-sr04-ultrasonic-sensor/hc-sr04-ultrasonic-sensor-outline.stl) — 45 × 20 × 15 mm

## Questions

**How big is the HC-SR04 ultrasonic sensor?**

45 × 20 × 15 mm.

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