#15 Drill Size

A #15 number drill is 0.1800" (4.572 mm).

Closest fraction: 3/16 (0.1875", over by 0.0075").

Next size down / up

Drill	Inch	mm
4.5 mm	0.1772	4.500
#14	0.1820	4.623

Printable PDF version - Drill Size Chart
Clean letter-size sheet for the toolbox or shop wall. Instant download, $3.49.