Does anybody know the formula for figuring out how many gallons of water in area x square foot by X inches deep. For example, if I have a 500 square foot area covered by 4 inches of water, how many gallons of water are present?

Thanks for any help.

Get Help from Bob Vila

- Give-Aways & Offers
- Monthly Must Do's

- DIY Project Ideas
- Step-by-Step Guides
- Inspirational Photo Galleries