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  7. Convert gallon to cubic feet

Convert gallon to cubic feet

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

Calculation

value × 0.133680555556

Quick ConversionConverted
1 gal (US)0.133681 ft^3
5 gal (US)0.668403 ft^3
10 gal (US)1.336806 ft^3
100 gal (US)13.368056 ft^3
1,000 gal (US)133.680556 ft^3

gallon (US)

A US liquid gallon is a US customary volume unit equal to 231 cubic inches.

US gallons are used for liquid capacity in fuel, water, appliances, containers, and consumer products in the United States.

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

cubic foot

A cubic foot is the volume of a cube one foot on each side.

Cubic feet are widely used in US storage, freight, appliances, HVAC, rooms, and material estimates.

ft3 is used for refrigerators, freezers, storage units, freight, rooms, soil, concrete, air volume, and bulk capacity.

How to Convert gallon (US) to cubic foot

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

1 gal (US) = 0.133681 ft^3

1 ft^3 = 7.480519 gal (US)

Formula: value × 0.133680555556

Example: 15 gal (US) = 2.005208 ft^3

  1. Start with the volume in US gallons (gal_us).
  2. Multiply by 0.133680555556 to convert US gallons into cubic feet.
  3. Use cubic feet when the result needs to match storage, room, freight, appliance, or space-volume specifications.

Precision note: Use the volume factor for US liquid gallons to cubic feet. Round according to whether the result is for storage, equipment, shipping, or broad planning.

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

1 gal (US) = 0.133681 ft^3

1 ft^3 = 7.480519 gal (US)

gallon (US) [gal (US)]cubic foot [ft^3]
0.01 gal (US)0.001337 ft^3
0.1 gal (US)0.013368 ft^3
1 gal (US)0.133681 ft^3
2 gal (US)0.267361 ft^3
5 gal (US)0.668403 ft^3
10 gal (US)1.336806 ft^3
20 gal (US)2.673611 ft^3
50 gal (US)6.684028 ft^3
100 gal (US)13.368056 ft^3

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

  • Converting tank, aquarium, or pool capacity from US gallons to cubic feet.
  • Comparing liquid volume with storage, freight, or container capacity.
  • Preparing appliance, HVAC, or room-volume estimates from gallon values.
  • Checking whether a gallon-rated container fits a cubic-foot space limit.

FAQ

How many cubic feet are in one US gallon?

One US gallon is exactly 0.133680555556 cubic feet.

How many US gallons are in one cubic foot?

One cubic foot contains about 7.48052 US gallons.

Is cubic feet the same as feet?

No. Cubic feet measure volume. Feet measure length.

More gallon (US) conversions

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