Library › Electronic components › Arduino Uno R3

arduino-uno-r3-board

UNO R3 board outline from Arduino's board file (the stepped shield edge, 1.0 mm corner radii) with the four Ø3.2 holes at their published positions; board drawn 1.6 mm thick: the maker does not print the thickness

Exact dimensions. True size, no printing tolerance added.

STEP STL free, CC BY 4.0 (credit "Xem Studio")

Dimensions

parameter	board
value	68.58 × 53.34 mm (2.7 × 2.1 in); USB-B and DC jack edge at x = 0

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From the full sheet

Arduino Uno R3: every size, notes, mating features and sources. What are the Arduino Uno board dimensions and mounting holes?