Insert a number in either input field, and the number will be converted into
either cubic feet or gallons.
: This calculator uses the standard formula of 7.4805 gallons per cubic foot
(often shown as 7.48 gallons per cf
), for water at room temperature under normal atmospheric pressure
: Please note that these tools are provided for your convenience only. They have been entered to be as fair and accurate as we can reasonably supply, based on commonly-accepted definitions and formulas. Other conditions that may the variables here are too numerous for us to reasonably consider. If your conditions require high precision or if you have any doubts about the accuracy of your project, please consult the manufacturer and/or a professional engineer.