How do you Convert square feet to us gallons?

To convert square feet to US gallons, you need to know the depth of the area in feet. First, calculate the volume in cubic feet by multiplying the area in square feet by the depth. Then, convert cubic feet to gallons using the conversion factor: 1 cubic foot equals approximately 7.48 gallons. Multiply the volume in cubic feet by 7.48 to get the volume in gallons.