1 pint in cubic cm, sure. Cubic meters, no problem. Cubic knots, even cubic rods, anything you want.
But cubic acres? Now that's just getting crazy. Acres measure area, so not exactly sure what a "cubic acre" would be. I suppose it could be a cube with 1 acre each side, but man, that's pushing it :).
http://www.google.com/search?hl=en&q=pints+per++cubic+ac...