wrote:

I haven't used 50 sheets of plywood in these last years, but I can
tell you that's it's been well over 30 years since I've actually
seen
plywood that's exactly 3/4" thick. Between imperial and metric
measurements, plywood in Canada has been every conceivable thickness
except 3/4".

Around here, 5x5 Finnish birch comes off the pile in 3/4" sheets.

Lew