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  7. Convert cubic feet to gallon

Convert cubic feet to gallon

Convert cubic foot (ft^3) to gallon (US) (gal (US)) instantly.

Calculation

value × 7.48051948052

Quick ConversionConverted
1 ft^37.480519 gal (US)
5 ft^337.402597 gal (US)
10 ft^374.805195 gal (US)
100 ft^3748.051948 gal (US)
1,000 ft^37,480.519481 gal (US)

cubic foot

A cubic foot is the volume of a cube one foot long, one foot wide, and one foot high.

Cubic feet are used for US storage, construction, freight, room, tank, and appliance capacity measurements.

ft3 is used for refrigerators, freezers, shipping boxes, storage bins, rooms, tanks, soil, and general capacity estimates.

gallon (US)

A US liquid gallon is a customary volume unit used for larger liquid quantities.

US gallons are used for water, fuel, beverages, irrigation, aquariums, appliances, and liquid storage.

gal_us is used for jugs, tanks, fuel, water, beverages, irrigation, aquariums, appliances, and larger liquid storage.

How to Convert cubic foot to gallon (US)

Mathematically, gallon (us) (gal (US)) = cubic foot (ft^3) converted with the formula below.

1 ft^3 = 7.480519 gal (US)

1 gal (US) = 0.133681 ft^3

Formula: value × 7.48051948052

Example: 15 ft^3 = 112.207792 gal (US)

  1. Start with the volume in cubic feet (ft3).
  2. Multiply by 7.4805194805 to convert cubic feet into US gallons.
  3. Use US gallons when the capacity will be used for water, liquids, tanks, or other US liquid-volume planning.

Precision note: Use 7.4805194805 US gallons per cubic foot. Round conservatively for real tanks or containers where overfilling matters.

How many ft^3 in gal (US) and gal (US) in ft^3

1 ft^3 = 7.480519 gal (US)

1 gal (US) = 0.133681 ft^3

cubic foot [ft^3]gallon (US) [gal (US)]
0.01 ft^30.074805 gal (US)
0.1 ft^30.748052 gal (US)
1 ft^37.480519 gal (US)
2 ft^314.961039 gal (US)
5 ft^337.402597 gal (US)
10 ft^374.805195 gal (US)
20 ft^3149.61039 gal (US)
50 ft^3374.025974 gal (US)
100 ft^3748.051948 gal (US)

Common Use Cases for ft^3 to gal (US)

  • Estimating gallons of water from tank, pond, pool, or container volume in cubic feet.
  • Converting storage or vessel capacity into US gallons.
  • Comparing cubic-foot dimensions with liquid fill amounts.
  • Planning irrigation, aquariums, reservoirs, or household water storage.

FAQ

How many US gallons are in one cubic foot?

One cubic foot contains about 7.48051948 US gallons.

How many cubic feet are in one US gallon?

One US gallon is about 0.133680556 cubic feet.

Can I use this for any container?

Yes for volume, but actual usable fill can be lower if the container has rounded corners, internal parts, or needs headspace.

More cubic foot conversions

  • cubic feet to cubic meters
  • cubic feet to cubic kilometers
  • cubic feet to cubic centimeters
  • cubic feet to mm3
  • cubic feet to liters
  • cubic feet to ml
  • cubic feet to quarts
  • cubic feet to pints