cubic feet to gallon Converter

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Formula for an approximate result, multiply the volume value by 7.480519480519

Common preset

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About Cubic foot (L)

The cubic foot (ft³) equals 28.316846592 liters.

About US liquid gallon

The US liquid gallon (gal) is defined as exactly 3.785 411 784 liters.

Cubic Foot to Gallon (US) Conversion Table

Cubic Foot [ft³] Gallon (US) [gal (US)]
0.01 ft³0.0748051948 gal (US)
0.1 ft³0.7480519481 gal (US)
1 ft³7.4805194805 gal (US)
2 ft³14.961038961 gal (US)
3 ft³22.4415584416 gal (US)
5 ft³37.4025974026 gal (US)
10 ft³74.8051948052 gal (US)
20 ft³149.6103896104 gal (US)
50 ft³374.025974026 gal (US)
100 ft³748.0519480519 gal (US)
1000 ft³7480.5194805195 gal (US)
How to convert Cubic Foot to Gallon (US)?

Use: gal (US) = ft³ × 7.4805194805

Example: 3.5 ft³ → gal (US)
3.5 × 7.4805194805 = 26.181818182 gal (US)

How to convert Gallon (US) to Cubic Foot?

Use: ft³ = gal (US) × 0.1336805556 (since 1 ÷ 7.4805194805)

Example: 50 gal (US) → ft³
50 × 0.1336805556 = 6.684027778 ft³

How many US gallons are in 1 cubic foot?

1 ft³ = 7.4805194805 gal (US).

How many liters are in 1 cubic foot?

1 ft³ = 28.316846592 L.

What’s the difference between US and Imperial gallon?

US gallon: 3.785411784 L.
Imperial gallon: 4.54609 L (~20% larger).
Therefore, 1 ft³ ≈ 7.4805194805 US gal, but ≈ 6.22883546 Imperial gal.

How many US gallons are in a cubic yard?

1 yd³ = 27 ft³ → 27 × 7.4805194805 = 201.974026 gal (US).

Rounding guidance for conversions

For everyday use, 1 ft³ ≈ 7.48 gal (US) and 1 gal (US) ≈ 0.134 ft³ are usually sufficient. For engineering or calc sheets, keep at least 6–10 significant digits of the constants above.

Convert Cubic Foot to Other Volume Units