How many fluid ounces in 1 gallon?

Answer 1

1 gallon = 8 pints

Imperial:

1pt = 20fl oz

1 gallon = 8 x 20fl oz = 160fl oz

US:

1pt = 16fl oz

1 gallon = 8 x 16fl oz = 128fl oz

1 fl oz is the same in US and Imperial measurements.

Answer 2

In UK there are 20 fl oz to the pint, so 1 gal = 160 fl oz.

In US there are 16 fl oz to the pint, so 1 gal = 128 fl oz.
128 fluid ounces per gallon.

Answer 3

1 US gallon = 128 fluid ounces, regardless of what's in it.

Answer 4

There are 128 fluid ounces in 1 gallon.

Answer 5

128 fluid ounces per gallon. (US)

Answer 6

128

Answer 7

128.