US Gallons Converter

Convert US gallons to liters, quarts, pints, cups, and fluid ounces instantly.
Choose a target unit.

Volume units

Reset

US Gallon

A US gallon (gal) is a common unit of volume used mainly in the United States for measuring liquids such as fuel, milk, and other beverages. One US gallon equals 4 quarts, 8 pints, or 128 fluid ounces, making it a practical size for everyday containers and large-scale liquid purchases. It’s widely recognized at gas stations and in grocery stores, where gallon jugs are frequently sold.

Because the US gallon differs from the Imperial gallon used in the UK, conversions can get confusing across countries. An online converter helps accurately translate gallons into liters or other units for travel, shopping, or cooking with international recipes.

US Gallons in Everyday Use

US gallons play a big role in daily life, especially when measuring fuel for cars or water for household use. Outdoor equipment like pools, aquariums, and gardening containers also often list capacities in gallons. This makes the unit helpful for planning projects or estimating costs.

Since one US gallon is approximately 3.785 liters, it fits well into metric conversions with the help of a calculator or converter tool. Whether you’re comparing product sizes abroad or tracking fuel efficiency, knowing gallon conversions helps keep measurements clear and consistent.

Other converter categories

Need a different type of conversion? Explore the tools above.