Gallon (US) to Cubic Centimeter Converter

Volume Converter

40 units available

Decimals:

From

To

3,785.411784

1 gal = 3,785.411784 cm³

Formula:

cm³ = gal × 3,785.411784

With your value: 1 gal = 3,785.411784 cm³

How big is that?

Everyday references on a logarithmic scale, all expressed in gallon (us) so you can sanity-check the result.

Milk carton (1/3.8e+3 your value)0.000264 gal

Kitchen bucket (1/3.8e+2 your value)0.00264 gal

Car fuel tank (1/76 your value)0.0132 gal

Bathtub (1/19 your value)0.0528 gal

Hot tub (1/2.5 your value)0.396 gal

Your value1.00 gal

Other Gallon (US) to Cubic Centimeter conversions

2 gal to cm³ 3 gal to cm³ 4 gal to cm³ 5 gal to cm³ 6 gal to cm³ 7 gal to cm³ 8 gal to cm³

Gallon (US) to Cubic Centimeter Conversion Table

Gallon (US) (gal)	Cubic Centimeter (cm³)
0.5	1,892.705892
1	3,785.411784
2	7,570.823568
5	18,927.05892
10	37,854.11784
15	56,781.17676
20	75,708.23568
25	94,635.2946
50	189,270.5892
100	378,541.1784
250	946,352.946
500	1,892,705.892
1000	3,785,411.784

Cubic Centimeter to Gallon (US) Conversion Table

Cubic Centimeter (cm³)	Gallon (US) (gal)
0.5	0.000132
1	0.000264
2	0.000528
5	0.001321
10	0.002642
15	0.003963
20	0.005283
25	0.006604
50	0.013209
100	0.026417
250	0.066043
500	0.132086
1000	0.264172

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Gallon (US) (gal)

Volume

Exact conversion

The US liquid gallon is exactly 231 cubic inches = 3.785 411 784 L.

Source: NIST Handbook 44, Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

Cubic Centimeter (cm³)

Volume

Exact conversion

Derived from the cubic metre. The litre is exactly 10⁻³ m³; US and imperial capacity units are exact multiples fixed by statute.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

How to Convert Gallon (US) to Cubic Centimeter

To convert from Gallon (US) (gal) to Cubic Centimeter (cm³), multiply the value by 3,785.411784.

Formula: cm³ = gal × 3,785.411784

Reverse: gal = cm³ × 0.0002641721

Step-by-Step Example

Start with your value in Gallon (US). For example: 5 gal
Multiply by the conversion factor: 5 x 3,785.411784
The result is: 18,927.05892 cm³

About Gallon (US)

The US gallon equals approximately 3.785 liters and is the standard unit for fuel and large liquid volumes in the United States.

Fun Fact: The US gallon is about 20% smaller than the imperial (UK) gallon.

Common uses: fuel (US), beverages, swimming pools.

About Cubic Centimeter

The cubic centimeter (cm³) is a unit of volume and capacity. One cubic centimeter equals 0.001 litres. UnitConvertLab converts it against every other volume unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: volume calculations, engineering and science, education.

Frequently Asked Questions

How many Cubic Centimeter are in 1 Gallon (US)?

There are exactly 3,785.411784 Cubic Centimeter in 1 Gallon (US). This means the conversion factor from Gallon (US) to Cubic Centimeter is 3,785.411784.

What is the formula to convert Gallon (US) to Cubic Centimeter?

The formula to convert Gallon (US) to Cubic Centimeter is: cm³ = gal × 3,785.411784. For example, to convert 10 Gallon (US) to Cubic Centimeter, you would multiply 10 by 3,785.411784.

What is a Gallon (US)?