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    How Many Fl Oz in a Gallon?

    Convert US Gallons to Fluid Ounces

    How Many Fl Oz in a Gallon?

    Convert
    Gallons to Fluid Ounces

    How to convert US gallons to US fluid ounces

    Worked example: 1 gal = 128 fl oz

    galfl oz01201002001 gal128 fl oz

    1 gal × 128 = 128 fl oz

    Rule: US fluid ounces = US gallons × 128 — exact: 1 gal = 128 fl oz.

    See Also

    Last Results

    0.1094 gal to fl oz - 0.1094 US gallons = 14.0032 fl oz
    1.8594 gal to fl oz - 1.8594 US gallons = 238.0032 fl oz
    0.0156 gal to fl oz - 0.0156 US gallons = 1.9968 fl oz
    1.7422 gal to fl oz - 1.7422 US gallons = 223.0016 fl oz
    0.9688 gal to fl oz - 0.9688 US gallons = 124.0064 fl oz
    0.2266 gal to fl oz - 0.2266 US gallons = 29.0048 fl oz
    0.9844 gal to fl oz - 0.9844 US gallons = 126.0032 fl oz
    1.125 gal to fl oz - 1.125 US gallons = 144 fl oz
    0.9453 gal to fl oz - 0.9453 US gallons = 120.9984 fl oz
    0.8672 gal to fl oz - 0.8672 US gallons = 111.0016 fl oz
    0.9063 gal to fl oz - 0.9063 US gallons = 116.0064 fl oz
    0.625 gal to fl oz - 0.625 US gallons = 80 fl oz
    0.0703 gal to fl oz - 0.0703 US gallons = 8.9984 fl oz
    0.3984 gal to fl oz - 0.3984 US gallons = 50.9952 fl oz
    0.6641 gal to fl oz - 0.6641 US gallons = 85.0048 fl oz
    1.6016 gal to fl oz - 1.6016 US gallons = 205.0048 fl oz
    1.1406 gal to fl oz - 1.1406 US gallons = 145.9968 fl oz
    0.1641 gal to fl oz - 0.1641 US gallons = 21.0048 fl oz
    0.0234 gal to fl oz - 0.0234 US gallons = 2.9952 fl oz
    0.5469 gal to fl oz - 0.5469 US gallons = 70.0032 fl oz
    0.3047 gal to fl oz - 0.3047 US gallons = 39.0016 fl oz
    1.5781 gal to fl oz - 1.5781 US gallons = 201.9968 fl oz
    1.375 gal to fl oz - 1.375 US gallons = 176 fl oz
    0.5547 gal to fl oz - 0.5547 US gallons = 71.0016 fl oz
    1.4609 gal to fl oz - 1.4609 US gallons = 186.9952 fl oz
    1.8125 gal to fl oz - 1.8125 US gallons = 232 fl oz
    0.0781 gal to fl oz - 0.0781 US gallons = 9.9968 fl oz
    0.0078 gal to fl oz - 0.0078 US gallons = 0.9984 fl oz
    1.1875 gal to fl oz - 1.1875 US gallons = 152 fl oz
    0.2734 gal to fl oz - 0.2734 US gallons = 34.9952 fl oz
    1.7813 gal to fl oz - 1.7813 US gallons = 228.0064 fl oz
    0.8438 gal to fl oz - 0.8438 US gallons = 108.0064 fl oz
    0.1016 gal to fl oz - 0.1016 US gallons = 13.0048 fl oz
    1.5391 gal to fl oz - 1.5391 US gallons = 197.0048 fl oz
    1.8438 gal to fl oz - 1.8438 US gallons = 236.0064 fl oz
    0.8359 gal to fl oz - 0.8359 US gallons = 106.9952 fl oz
    1.0703 gal to fl oz - 1.0703 US gallons = 136.9984 fl oz
    1.0234 gal to fl oz - 1.0234 US gallons = 130.9952 fl oz
    0.9922 gal to fl oz - 0.9922 US gallons = 127.0016 fl oz
    0.5625 gal to fl oz - 0.5625 US gallons = 72 fl oz
    8 gal to fl oz - 8 US gallons = 1024 fl oz
    0.4688 gal to fl oz - 0.4688 US gallons = 60.0064 fl oz
    0.375 gal to fl oz - 0.375 US gallons = 48 fl oz
    0.5859 gal to fl oz - 0.5859 US gallons = 74.9952 fl oz
    0.7109 gal to fl oz - 0.7109 US gallons = 90.9952 fl oz
    1.1953 gal to fl oz - 1.1953 US gallons = 152.9984 fl oz
    1.2969 gal to fl oz - 1.2969 US gallons = 166.0032 fl oz
    0.5156 gal to fl oz - 0.5156 US gallons = 65.9968 fl oz
    1.9297 gal to fl oz - 1.9297 US gallons = 247.0016 fl oz
    1.1484 gal to fl oz - 1.1484 US gallons = 146.9952 fl oz
    0.0313 gal to fl oz - 0.0313 US gallons = 4.0064 fl oz
    0.6406 gal to fl oz - 0.6406 US gallons = 81.9968 fl oz
    0.4922 gal to fl oz - 0.4922 US gallons = 63.0016 fl oz
    1.1328 gal to fl oz - 1.1328 US gallons = 144.9984 fl oz
    0.2188 gal to fl oz - 0.2188 US gallons = 28.0064 fl oz
    1.7734 gal to fl oz - 1.7734 US gallons = 226.9952 fl oz

    FAQ

    How many fluid ounces are in a gallon?

    One US gallon is equal to 128 US fluid ounces (1 gal = 128 fl oz).

    What is the formula to convert gallons to fl oz?

    To convert US gallons to fluid ounces, multiply the gallon value by 128. For example, 2 gal × 128 = 256 fl oz.

    How many fluid ounces are in a half gallon?

    A half US gallon is 64 fluid ounces (0.5 × 128 = 64 fl oz), and a quarter gallon (one quart) is 32 fl oz.