Gallons to liters: Convert US gallons to liters

Answer
3.78541 L = 1 gal

1 gal = 3.78541 L. To convert US gallons to liters, multiply by 3.785411784. To go back, multiply by 0.2641720524 (or divide by 3.785411784). The US gallon is used for gasoline, milk and paint; the UK gallon is 20% larger.

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Converted volume
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How we calculated this

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    Formula

    L = gal × 3.785411784 gal = L × 0.2641720524 5 gal × 3.785411784 = 18.9271 L

    Gallons to liters table

    galL
    0.5 gal1.89271 L
    1 gal3.78541 L
    2 gal7.57082 L
    3 gal11.3562 L
    4 gal15.1416 L
    5 gal18.9271 L
    6 gal22.7125 L
    7 gal26.4979 L
    8 gal30.2833 L
    9 gal34.0687 L
    10 gal37.8541 L
    12 gal45.4249 L
    13 gal49.2104 L
    15 gal56.7812 L
    20 gal75.7082 L
    25 gal94.6353 L
    30 gal113.562 L
    40 gal151.416 L
    50 gal189.271 L
    55 gal208.198 L
    75 gal283.906 L
    100 gal378.541 L
    250 gal946.353 L
    500 gal1,892.71 L
    1,000 gal3,785.41 L

    Factors from NIST SP 811 and the BIPM SI Brochure; values rounded to 6 significant digits. Reverse: Liters to gallons.

    Frequently asked questions

    How many liters is 5 gallons?

    5 gal = 18.9271 L.

    How many gallons is 1 L?

    1 L = 0.264172 gal.

    Open the full calculator: Volume Converter: Gallons to Liters, fl oz, Cups and ft³ →