Skip to content

Gallons to Cubic Feet Converter

Convert gallons to cubic feet and back instantly with formula and common values.

gal

Cubic Feet

2.0988

ft³

15.7 gal = 2.0988 ft³

ft³ = gal × 0.13368

Gallons to Cubic Feet: 1 gal equals 0.13368 ft³. To convert gallons to cubic feet, multiply by 0.13368 (ft³ = gal × 0.13368). For example, 10 gal = 1.336805 ft³.

How to Convert Gallons to Cubic Feet

To convert from gallons to cubic feet, multiply the value by 0.13368. The conversion is linear, meaning doubling the input doubles the output.

Conversion Formula

  • Gallons to Cubic Feet: ft³ = gal × 0.13368
  • Cubic Feet to Gallons: gal = ft³ ÷ 0.13368

Gallons to Cubic Feet Conversion Chart

Gallons (gal)Cubic Feet (ft³)
0.10.013368
0.250.03342
0.50.06684
10.13368
20.267361
30.401041
50.668402
101.336805
202.67361
253.342012
506.684025
10013.368049
25033.420123
1000133.68049

Understanding the Units

What is a Gallon?

The US liquid gallon equals exactly 3.785411784 liters; the imperial (UK) gallon equals 4.54609 liters.

From the Old Northern French galun, originally a wine measure.

Common contexts: fuel, milk, paint.

Real-World Reference Points

Item Gallons (gal) Cubic Feet (ft³)
A milk jug (US)10.1337
Average car gas tank (US)141.8715

Related

FAQ

How do I convert gallons to cubic feet?

Multiply by 0.13368. For example, 15.7 gal × 0.13368 = 2.0988 ft³.

What is the formula for gallons to cubic feet?

The formula is: ft³ = gal × 0.13368.

How many cubic feet are in one gallon?

One gallon equals 0.1337 cubic feet.

How many cubic feet are in 1 gallon?

1 gal equals 0.13368 ft³.

How do you convert gallons to cubic feet?

Multiply the gallon value by 0.13368. Formula: ft³ = gal × 0.13368.

How many cubic feet are in 5 gallons?

5 gal = 0.668402 ft³.

How do you convert cubic feet back to gallons?

Use the inverse formula: gal = ft³ ÷ 0.13368. For example, 1 ft³ = 7.480523 gal.