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.
The quart (US) is a unit of liquid volume in the U.S. customary system, equal to 32 US fluid ounces or approximately 946.353 milliliters. It's abbreviated as qt and is defined as one-fourth of a US gallon. A quart is also twice the size of a US pint and one-eighth of a gallon, making it a convenient middle-range measurement for recipes, packaging, and household use.
In American kitchens, the quart is commonly used for liquids like milk, broth, juice, and cooking oils. It's a standard size for measuring cups and storage containers and is widely seen in both home cooking and grocery products.
Uses: The US quart is frequently used in recipes that call for larger volumes of liquid soups, stews, stocks, and marinades. It's also a common reference point for batch cooking and food storage. Many kitchen containers and measuring pitchers are marked in quarts, making it easy for home cooks to portion ingredients accurately.
Outside the kitchen, quarts are used in food and beverage packaging, such as milk cartons, ice cream tubs, and juice bottles. The unit also appears in automotive contexts, where motor oil is sold in quarts. Thanks to its versatility and widespread recognition, the quart continues to be a trusted unit in both culinary and everyday settings.
1 gal = 3.999998 qt
Let’s say you want to convert 0.5 gal to qt.
Using the formula:
0.5 × 3.999998 = 2 qt
So, 0.5 gal is approximately 2 qt.
| Gallon (US) (gal) | Quart (US) (qt) |
|---|---|
| 1 gal | 4 qt |
| 2 gal | 8 qt |
| 3 gal | 12 qt |
| 4 gal | 16 qt |
| 5 gal | 20 qt |
| 6 gal | 24 qt |
| 7 gal | 28 qt |
| 8 gal | 32 qt |
| 9 gal | 36 qt |
| 10 gal | 40 qt |
| 11 gal | 44 qt |
| 12 gal | 48 qt |
| 13 gal | 52 qt |
| 14 gal | 56 qt |
| 15 gal | 60 qt |