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    Gallons to Liters Converter

    Gallons ⇄ Liters Converter

    Enter a value in either field to see the conversion

    Gallons to Liters Converter

    About Gallons to Liters Conversion

    Converting between gallons and liters is essential for fuel consumption calculations, cooking measurements, and international trade. Our converter provides instant, accurate results for both US customary and metric measurements.

    Understanding Gallons and Liters

    What is a Gallon?

    A gallon is a unit of volume measurement in the US customary system. One US gallon equals 3.78541 liters and is commonly used for measuring fuel, milk, and other liquids in the United States.

    What is a Liter?

    A liter is the base unit of volume in the metric system. It's widely used around the world for measuring liquids and is equivalent to 1,000 cubic centimeters or approximately 0.264 US gallons.

    How to Convert Between Gallons and Liters

    Gallons to Liters

    To convert gallons to liters, multiply the gallon value by 3.78541:

    5 gallons × 3.78541 = 18.93 liters

    Liters to Gallons

    To convert liters to gallons, divide the liter value by 3.78541:

    20 liters ÷ 3.78541 = 5.28 gallons

    Frequently Asked Questions

    How many liters are in a gallon?

    One US gallon equals exactly 3.78541 liters. This conversion factor is based on the official definition of the US gallon.

    Is this converter for US gallons or Imperial gallons?

    This converter uses US gallons (3.78541 liters). Imperial gallons, used in the UK, are larger at 4.546 liters per gallon.

    Why do I need to convert between gallons and liters?

    Conversion is useful for fuel efficiency calculations, international recipes, scientific measurements, and when traveling between countries that use different measurement systems.

    How accurate is this conversion?

    Our converter uses the exact conversion factor (3.78541) and provides results accurate to multiple decimal places, suitable for both everyday use and precise calculations.

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