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Convert gallon to cubic feet [gal (US) to ft^3]



gallon (US)


cubic foot


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The conversion from gallons to cubic feet (gal to ft3) is widely used in our daily lives. The volume of gallon can be expressed in cubic feet. Some individuals use gallon buckets for long term food storage. Beans and rice are the most common foods that often becomes at the top of the storage lists. The calculator-online develops an online gallon to cubic feet converter that assists you to convert gallons to ft3 accurately and instantly.

For your convenience, we even elaborate basic formula that helps you in converting gallon to ft3 step-by-step.

Read on!

  • 1 gallon US is equal to 0.1336805556 cubic foot (ft^3)
  • 1 cubic foot (ft^3) is equal to 7.48051947803245 gallon US

gallon to cubic feet formula:

The formula for gal to cubic feet is:

Ft^3 = US gal lqd * 0.13368

How do you convert gallon to cubic feet?

Convert with:

  • Online gal to ft^3 converter
  • Formula (the below example helps you)

Example of gallon US to cubic feet conversion:

Problem: Convert 28 gallons to cubic feet?


Step 1 (Formula):

  • Ft^3 = US gal lqd * 0.13368

Step 2 (Put the Values):

  • Ft^3 = 28 * 0.13368

Step 3 (Result):

  • 3.74306 cubic feet

Means, 28 US gallons is equal to 3.74306 cubic feet

US gallon (L) to Cubic Foot (ft3) conversion table: