The gallon (US) is a large unit of volume used in the U.S. customary measurement system. One US gallon is equal to 128 US fluid ounces, or approximately 3.785 liters. It's commonly abbreviated as gal and is often used for measuring larger quantities of liquids in household and commercial settings.
As one of the largest common units for liquid measurement in the United States, the gallon is widely recognized for storing and transporting liquids like milk, water, and gasoline. Its size makes it practical for bulk quantities and remains a standard unit in industries ranging from agriculture to retail packaging.
Uses: In everyday life, the US gallon is most commonly seen on milk jugs, bottled water, and fuel pumps. Whether you're filling up a gas tank or picking up a gallon of juice at the grocery store, this unit is a familiar part of American routines.
Beyond the home, the gallon is used across industries that handle large volumes—such as food service, chemical production, and farming. It's also a staple in recipes or instructions for making batches of beverages, soups, or cleaning solutions. Thanks to its capacity and widespread use, the gallon remains one of the most practical and recognizable units for measuring liquids in bulk.
A cubic inch is a unit of volume used in the imperial and U.S. customary systems. It represents the space occupied by a cube, with each side measuring exactly one inch. One cubic inch is equal to 16.387 milliliters or approximately 0.0005787 cubic feet, and it's abbreviated as in³.
The cubic inch is often used to measure smaller volumes in areas like automotive design, mechanical components, and product manufacturing. It’s a go-to unit for things like engine size, compact storage, and custom parts where detailed, space-specific measurements are needed.
Uses: The cubic inch is most widely recognized in the automotive world, where it's often used to express engine size—especially in classic American vehicles. It's also used in engineering and manufacturing for parts design, packaging, and product specifications where precision is important.
In everyday use, you might see cubic inches listed when measuring the internal dimensions of a drawer, estimating the volume of a small box, or comparing product capacities. It remains a trusted unit for capturing volume in tight spaces where accuracy matters.
1 gal = 230.999384 in³
Let’s say you want to convert 100 gal to in³.
Using the formula:
100 × 230.999384 = 23099.938 in³
So, 100 gal is approximately 23099.938 in³.
| Gallon (US) (gal) | Cubic inch (in³) |
|---|---|
| 1 gal | 230.999 in³ |
| 2 gal | 461.999 in³ |
| 3 gal | 692.998 in³ |
| 4 gal | 923.998 in³ |
| 5 gal | 1154.997 in³ |
| 6 gal | 1385.996 in³ |
| 7 gal | 1616.996 in³ |
| 8 gal | 1847.995 in³ |
| 9 gal | 2078.994 in³ |
| 10 gal | 2309.994 in³ |
| 11 gal | 2540.993 in³ |
| 12 gal | 2771.993 in³ |
| 13 gal | 3002.992 in³ |
| 14 gal | 3233.991 in³ |
| 15 gal | 3464.991 in³ |