13/64 inch in mm and decimal

13/64 in = 0.203125 in = 5.159 mm. Closest metric drill: 5.2 mm.

Nearby drill sizes

Drill	Type	Inch	mm	Difference
#10	number	.1935 in	4.915	-9.6 thou
#9	number	.1960 in	4.978	-7.1 thou
#8	number	.1990 in	5.055	-4.1 thou
#7	number	.2010 in	5.105	-2.1 thou
13/64	fraction	.2031 in	5.159	0.0 thou
#6	number	.2040 in	5.182	0.9 thou
#5	number	.2055 in	5.220	2.4 thou
#4	number	.2090 in	5.309	5.9 thou
#3	number	.2130 in	5.410	9.9 thou

1 thou = 0.001 in = 0.0254 mm. Drills a few thou apart are usually interchangeable for clearance holes, but not for tap drills or reamer pilots.