16 mm is approximately 0.63 inches (just over 5/8").
(25.4mm is one inch)
Direct Conversion Formula 16 mm*
1 in
25.4 mm
=
0.6299212598 in
0.63 in.
0.7086614173228346 x 0.6299212598425197
16mm = 1,6 cm.
I would use a 5/8 drill bit which is almost exactly 16mm.
The length would be 5.98 inches.
16 mm are in 1.6 cm
1.6cm
1.6 cm
16mm? 16mm?
The conversion is roughly 25.4 mm to the inch, if you don't need to be hyper accurate. Direct Conversion Formula 16 mm* 1 in 25.4 mm = 0.6299212598 in
You can buy a 16mm Movie project on many websites online. One such website I find is http://www.topmicrousa.com/el16op16somo.html.
104