Are you looking for a quick and easy way to convert gallons into ounces? If so, then you’ve come to the right place!
In this blog post, Math Prof will break down the basics of converting from gallon units of measure to ounce units of measure. We will discuss what exactly a gallon is and how that relates to ounces.
Then, we’ll provide an easy explanation with step-by-step instructions on how you can calculate the conversion accurately in your own home or office. Of course, our handy calculator tool above makes things even simpler than manual calculations would be!
Read on to learn everything you need to know about converting gallons to oz today.

Is 64 oz the same as 1 gallon How to convert gallon to oz
Convert gallon to oz
Gallon to oz formula: 1 gallon / 0.0078125 = 128 oz
Gallon to oz Conversion table / chart
gallon | oz |
0.1 | 12.8 |
0.2 | 25.6 |
0.3 | 38.4 |
0.4 | 51.2 |
0.5 | 64 |
0.6 | 76.8 |
0.7 | 89.6 |
0.8 | 102.4 |
0.9 | 115.2 |
1 | 128 |
1.1 | 140.8 |
1.2 | 153.6 |
1.3 | 166.4 |
1.4 | 179.2 |
1.5 | 192 |
1.6 | 204.8 |
1.7 | 217.6 |
1.8 | 230.4 |
1.9 | 243.2 |
Gallon

Gallon
Definition
A gallon is a unit of measurement for volume in the U.S. Customary System and typically holds 128 fluid ounces. It is most commonly used to measure liquids, such as water or milk.
Uses
The gallon is a widely-used measurement in many different areas, including home cooking, automotive maintenance, and industrial production. In some parts of the world, it is also still used as a unit of measurement for fuel consumption.
Now, let’s have a look at ounces (oz).
Ounces

Ounces
Definition
A fluid ounce (fl oz) is a unit of measurement for volume in the U.S. Customary System and typically holds 1/128th of a gallon.
Uses
Fluid ounces are commonly used to measure liquid ingredients for home cooking, as well as small volumes used in automotive maintenance and industrial production. In some parts of the world, it is also still used as a unit of measurement for fuel consumption.
F.A.Q gallon to oz
Is 64 oz the same as 1 gallon?
No, a gallon is equal to 128 fluid ounces, which means 64 ounces is half a gallon.
How much of a gallon is 32 oz?
32 ounces is equal to a quarter of a gallon.
What is 1 gal in Oz?
1 gallon is equal to 128 fluid ounces.
Is 128 oz more than a gallon?
A gallon is equal to 128 fluid ounces.
Conclusion
Now that you know the conversions between gallons and ounces, take a look around howtoconvert.net for more of this type of help with your everyday conversions. From converting degrees to radians to milliseconds to seconds, this website is your one-stop shop for all kinds of conversion questions.
Additionally, it includes helpful explanations and diagrams so you can understand the process better. We want you to feel confident in your understanding of this concept, so if you have any more questions or feedback feel free to drop us a message!
Don’t forget that when it comes to converting volumes like gallons and ounces, one gallon is equal to 128 ounces. Now go off and conquer those conversion challenges! And remember always visit howtoconvert.net for expert advice on any kind of conversion related topic.