I'm not even sure what category to call this. I want to project the spatial distance between droplets. If 6/10th of an ounce were applied uniformly over an acre, and each droplet was 15 mm, how many...

I'm not even sure what category to call this.

I want to project the spatial distance between droplets.

If 6/10th of an ounce were applied uniformly over an acre, and each droplet was 15 mm, how many droplets would be in a square foot? I want to create both a number and a visual from this.