Hello, stupidandold!

The wording is vague . . . can you clarify?

I have an aero bar with 0.04mm square and .1mm deep

with 16 bubbles in each square, . . . . each square WHAT?

how do i calculate how many bubbles in a 1mm cube?

We have a bar which is:

. . so we are dealing withvolume, not squares.

If you mean 16 bubblesper bar, we can work out the answer.

There are 16 bubbles in: mm³.

A 1-mm cube has a volume of 1 mm³.

So we have: .