SparkFun Pro Micro — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/sparkfun-pro-micro/  (CC BY 4.0)
Basis: SparkFun (Eagle board file)
Catalog version: 2026-10-20

Overall (mm): length 17.78, width 33.02
- SparkFun Pro Micro: 17.78 × 33.02 mm. 0.7 × 1.3 in outline, same for v13 (micro-B) and v20 (USB-C); no mounting holes; USB centred on the short edge.
- No mounting-hole positions are published.
- The file is the outline; components and connectors are not modelled.

dimension  value
size  17.78 × 33.02 mm (board outline)

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- SparkFun: SparkFun Pro Micro — web — Publisher's page; dimensions are facts — https://github.com/sparkfun/Pro_Micro/blob/master/Hardware/v13/SparkFun_Pro_Micro.brd

Free files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/sparkfun-pro-micro/index.json
API: https://xemstudio.com/api/geometry?object=sparkfun-pro-micro