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Cubic Centimeter to US Gallon Converter

Instant, two-way conversion across common engineering units.

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1 cm³ = 0.00026417205 US gal(Cubic centimetre → US gallon)

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Converting cubic centimeters to US gallons

To convert cubic centimeters to US gallons, multiply the value by 0.00026417205. Volume conversions matter for concrete pours, excavation, tank capacity and airflow, where a rounding slip becomes a delivery error.

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To scale
1 cubic centimeter = 0.00026417205 US gallons.≈ 264 millionths of an US gallon
1 US gallon = 3,785.4118 cubic centimeters.≈ 3.785K cubic centimeters

Cubic Centimeter (cm³)

The cubic centimeter (cm³) is the volume of a cube with 1 cm sides.

Origin
A decimal derivative of the SI cubic meter.
Where it is used
Used for material samples, small component volumes and density calculations.
Relation to SI
1 cm³ = 1 mL = 0.000001 m³.

US Gallon (US gal)

The US gallon is the liquid volume unit used in the United States.

Origin
Defined from the old English wine gallon of 231 cubic inches.
Where it is used
Used for paint, fuel, water storage and plumbing capacity in US practice.
Relation to SI
1 US gal = 3.785411784 L exactly.

Frequently asked questions

How many US gallons are in one cubic centimeter?

1 cm³ equals 0.00026417205 US gal.

How do I convert cubic centimeters to US gallons?

Multiply the value by 0.00026417205. For example, 10 cm³ equals 0.0026417205 US gal.

How do I convert back from US gallons to cubic centimeters?

1 US gal equals 3,785.4118 cm³. The converter above works in both directions, so you can type into either field.

Why do US and imperial gallons differ?

The US gallon comes from the old English wine gallon of 231 cubic inches, while the imperial gallon was redefined in 1824. The imperial gallon is about 20 percent larger.

Which volume unit should I use for concrete?

Cubic meters are the standard ordering unit for concrete and excavation in metric practice; cubic yards serve the same role in the US.

Is this volume converter free to use?

Yes. Every unit conversion runs in your browser, needs no account and is free for professional use.

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