Fl Oz to Gal

Convert Fluid Ounces to US Gallons

"Fl Oz to Gal" Calculator

Convert
Fluid Ounces to Gallons

How to convert US fluid ounces to US gallons

Worked example: 64 fl oz = 0.5 gal

fl ozgal05010000.20.40.664 fl oz0.5 gal

64 fl oz ÷ 128 = 0.5 gal

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

See Also

FAQ

How many gallons are in a fluid ounce?

One US fluid ounce is equal to 0.0078125 US gallons, since one gallon contains 128 fluid ounces.

What is the formula to convert fl oz to gallons?

To convert US fluid ounces to gallons, divide the fluid ounce value by 128. For example, 64 fl oz ÷ 128 = 0.5 gallons.

How many fluid ounces are in a gallon?

There are exactly 128 US fluid ounces in one US gallon. A half gallon is 64 fl oz and a quart is 32 fl oz.