Gallons to Fluid Ounces Conversion

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Do you want to convert Fluid Ounces to Gallons?

To convert Gallons to Fluid Ounces, multiply the Volume by the conversion ratio. One Gallons is equal to 128.00007 Fluid Ounces, so use this simple formula to convert:

Gallons = Fluid Ounces × 128.00007

For example, here's how to convert 5 Gallons to Fluid Ounces using the formula above.

5 gal = (5 × 128.00007) = 640.00035 fl oz

1 Gallon is equal to 128.00007 Fluid Ounces: 1 gal = 128.00007 fl oz

There are 128.00007 Fluid Ounces in 1 Gallon. To convert from Gallons to Fluid Ounces, multiply your figure by 128.00007 (or divide by 0.00781) .

1 Fluid Ounce is equal to 0.00781 Gallons: 1 fl oz = 0.00781 gal

There are 0.00781 Gallons in 1 Fluid Ounce. To convert from Fluid Ounces to Gallons, multiply your figure by 0.00781 (or divide by 128.00007) .

Converting Gallons and Fluid Ounces