When someone asks "How big is an acre?" they usually think about it in terms of measurement. But what is it in real-world ...

The 'Palm Beach acre' is 40,000 square feet and used to measure density in town. Officials say it's time to switch to a conventional acre.

One acre is roughly the size of a standard football field. That’s a lot of water. An acre-foot translates to 325,851 gallons or 43,560 cubic feet — enough to sustain about two single-family ...