# Garmin Edge 840 GPS bike computer

> What are the dimensions of the Garmin Edge 840?

- Category: Everyday mounts › Bike computers, radars and GPS
- Kind: Modern device
- Basis: Secondary source: Mighty Gadget, GPS Central (Garmin dealer) (copy of the maker's figures; the maker publishes none directly)
- Page: https://xemstudio.com/objects/garmin-edge-840/ · JSON: https://xemstudio.com/api/geometry?object=garmin-edge-840 · Plain text: https://xemstudio.com/objects/garmin-edge-840/sheet.txt
- License: dimension sheet CC BY 4.0 (Xem Studio); files CC BY 4.0 or their publisher's license
- Use in every chat: add https://xemstudio.com/mcp as a connector (https://xemstudio.com/use-with-ai/)

## Overall (mm)

| length | width | height |
|---|---|---|
| 85.1 | 57.8 | 19.6 |

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

## Notes

- The Edge 840 measures 57.8 × 85.1 × 19.6 mm (width × height × depth) in the cited specification listing.
- This is a secondary source; Garmin's own product page could not be retrieved, so the figures are flagged as secondary.
- The file is a box envelope; the Garmin quarter-turn mount tab, buttons and curved back are not modelled.
- True size, no printing tolerance added. Only published numbers are used; anything not published is said so.
- Secondary source: the numbers come from a retailer or magazine copy of the maker's specification.

## Sizes

| dimension | value |
|---|---|
| Width | 57.8 mm |
| Height | 85.1 mm |
| Depth | 19.6 mm |
| Weight | 84.8 g |
| Display | 2.6" (66 mm) diagonal |
| Resolution | 246 × 322 px |

## Where the files are

- Mighty Gadget: [Garmin Edge 1050 vs Edge 1040 vs Edge 840 Bike Computers Specification Compared](https://mightygadget.com/garmin-edge-1050-vs-edge-1040-vs-edge-840-bike-computers-specification-compared/) — web — Publisher's page; dimensions are facts
- GPS Central (Garmin dealer): [Garmin Bicycle GPS Comparison](https://woo.gpscentral.ca/garmin-edge-series-gps-comparison/) — web — Publisher's page; dimensions are facts

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

Index: https://xemstudio.com/files/hardware/garmin-edge-840/index.json

- garmin-edge-840-envelope: [STEP](https://xemstudio.com/files/hardware/garmin-edge-840/garmin-edge-840-envelope.step) · [STL](https://xemstudio.com/files/hardware/garmin-edge-840/garmin-edge-840-envelope.stl) — Envelope 85.1 × 57.8 × 19.6 mm (computer body only (W × H × D), without mount)

## Questions

**How big is the Garmin Edge 840?**

57.8 × 85.1 × 19.6 mm, 84.8 g.

## Fits with

- [Bike handlebar clamp diameter 31.8 mm (oversize)](https://xemstudio.com/objects/bike-handlebar-clamp-31-8-mm/)
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- [Garmin Edge 1040 GPS bike computer](https://xemstudio.com/objects/garmin-edge-1040/)