Convert Cubic inches (in³) to Gallons (gal)
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Updated on September 1, 2025
You can use our Cubic inches (in³) to Gallons (gal) conversion calculator as a reliable and efficient tool to simplify volume conversions. It is designed for professionals, students, and anyone who needs a quick and accurate result. Conversion of Cubic inches (in³) to Gallons (gal) is crucial in Engineering design related measurements. You can avoid the risk of manual calculation errors and save valuable time using our Cubic inches (in³) to Gallons (gal) converter.About Cubic inches (in³) to Gallons (gal) Conversion Calculator
Written By
Nadiba Rahman
Reviewed by
Mrinmoy Roy
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Relation Between Cubic inches (in³) and Gallons (gal)
Let me explain to you about the relation between Cubic inches in³ and Gallons (gal) first before moving to the conversion process. Because it’s essential to grasp what these units represent.What is Cubic inches (in³)?
A cubic inch (in³) is a unit of volume equal to the volume of a cube with 1-inch sides. Cubic inches (in³) is a unit of volume measurement which is commonly used in Engineering design. Commonly used in engineering and manufacturing for small components. 1 cubic inch = approximately 16.387 milliliters. Often used in measuring engine displacement and small volumes..What is Gallons (gal)?
Cubic inches (in³) is another unit of volume measurement that is used in Fuel measurement. A gallon is a unit of volume commonly used in the US and UK, varying by measurement system.. Commonly used in engineering and manufacturing for small components. 1 cubic inch = approximately 16.387 milliliters. Often used in measuring engine displacement and small volumes..How to Convert Gallons (gal)?
The conversion between Cubic inches (in³) and Gallons (gal) follows a simple formula:Cubic inches = Cubic inches × 0.004329015879389551
Where, 0.004329015879389551 is the value that allows you to convert between Cubic inches (in³) and Gallons (gal).
So,
1 Gallons = 0.004329015879389551 Cubic inches
And, 1 Cubic inches = 1/0.004329015879389551 Gallons

Examples of Converting Cubic inches (in³) to Gallons (gal)
To convert any value from Cubic inches (in³) to Gallons (gal), simply multiply the amount of Cubic inches (in³) by the conversion factor:1 Gallons = 0.004329015879389551 Cubic inches
For example, if you want to convert 5 Cubic inches into Gallons and the conversion factor is 0.004329015879389551, then:
5 Cubic inches = 5 x 0.004329015879389551 Gallons
Cubic inches (in³) to Gallons (gal) Conversion Chart
Here’s a quick reference chart for common conversions between Cubic inches (in³) and Gallons (gal)| Cubic inches (in³) | Gallons (gal) |
|---|---|
| 100 Cubic inches (in³) | 0.4329015879389551 Gallons (gal) |
| 200 Cubic inches (in³) | 0.8658031758779102 Gallons (gal) |
| 300 Cubic inches (in³) | 1.2987047638168654 Gallons (gal) |
| 400 Cubic inches (in³) | 1.7316063517558204 Gallons (gal) |
| 500 Cubic inches (in³) | 2.1645079396947757 Gallons (gal) |
| 600 Cubic inches (in³) | 2.597409527633731 Gallons (gal) |
| 700 Cubic inches (in³) | 3.030311115572686 Gallons (gal) |
| 800 Cubic inches (in³) | 3.463212703511641 Gallons (gal) |
| 900 Cubic inches (in³) | 3.896114291450596 Gallons (gal) |
| 1000 Cubic inches (in³) | 4.3290158793895515 Gallons (gal) |
How 1 Cubic inches (in³) Converts to Other volume Units
See the relation between Cubic inches (in³) and other volume related measurement units:| 1 Cubic inches(in³) | 0.000000 Acre foot (AF) |
| 1 Cubic inches(in³) | 0.000103 Barrels (bbl) |
| 1 Cubic inches(in³) | 0.000465 Bushels (bu) |
| 1 Cubic inches(in³) | 1.638710 Centiliters (cL) |
| 1 Cubic inches(in³) | 16.387100 Cubic centimeters (cm³) |
| 1 Cubic inches(in³) | 0.016387 Cubic decimeters (dm³) |
| 1 Cubic inches(in³) | 0.000579 Cubic feet (ft³) |
| 1 Cubic inches(in³) | 0.000000 Cubic kilometers (km³) |
| 1 Cubic inches(in³) | 0.000016 Cubic meters (m³) |
| 1 Cubic inches(in³) | 0.000000 Cubic miles (mi³) |
| 1 Cubic inches(in³) | 16387.100000 Cubic millimeters (mm³) |
| 1 Cubic inches(in³) | 0.000021 Cubic yard (yd³) |
| 1 Cubic inches(in³) | 0.069264 Cups (cup) |
| 1 Cubic inches(in³) | 0.163871 Deciliters (dL) |
| 1 Cubic inches(in³) | 4.432900 Dram (dr) |
| 1 Cubic inches(in³) | 0.554114 Fluid ounce (fl oz) |
| 1 Cubic inches(in³) | 0.138529 Gill (gi) |
| 1 Cubic inches(in³) | 0.000016 Kiloliters (kL) |
| 1 Cubic inches(in³) | 0.016387 Liters (L) |
| 1 Cubic inches(in³) | 16387.100000 Microliters (µL) |
| 1 Cubic inches(in³) | 16.387100 Milliliters (mL) |
| 1 Cubic inches(in³) | 16387100000.000000 Nanoliters (nL) |
| 1 Cubic inches(in³) | 16387100000000.000000 Picoliters (pL) |
| 1 Cubic inches(in³) | 0.034632 Pints (pt) |
| 1 Cubic inches(in³) | 0.017316 Quarts (qt) |
| 1 Cubic inches(in³) | 1.108225 Tablespoons (tbsp) |
| 1 Cubic inches(in³) | 3.324684 Teaspoons (tsp) |
Features of Our Cubic inches (in³) to Gallons (gal) Conversion Calculator
Our Cubic inches in³ to Gallons (gal) converter is more than just a basic converter. Here's what makes it stand out:Output Precision Control
You can control how precise your conversion results are. From settings, you can adjust decimal places from 0 to 12 places.Customizable Rounding Options
You can control the output rounding options based on your necessity. You can turn the rounding mode on or off, and select between Ceiling or Floor rounding to match your needs.Multiple Number Formats
Display your results the way you want:- Standard format (e.g. 12.345245)
- Scientific notation (e.g. 1.23452e+1)
- Engineering format (e.g. 1.23452 × 10^1)

