Published: Jul 28, 2021 · Modified: Aug 9, 2021 by Kate Hackworthy · This post may contain affiliate web links · leave a Comment


Are you wondering how many ounces in a gallon? it isn"t straightforward to remember just how to convert liquid oz to a gallon or gallons to ounce. You"ll must do a little simple math. However don"t worry, I"ve excellent it every for you, including a conversion chart!

Wondering how numerous oz in a gallon the water or liquid?

Have you ever wondered how many ounces in a gallon or half a gallon?

In this blog post, we will explore the different measurements that are supplied to measure up volume, and also what is a gallon.

You are watching: How many oz in 1/2 gal

You"ll also learn about how come convert between these Imperial and also metric systems of measurement!

Whether you"re cooking, act science, or working on a project, periodically you must make part conversions.

I know how hard it deserve to be as soon as you"re cooking and your favorite recipe is written in Imperial, however you understand Metric or angry versa.

Suddenly you can find the you"re racking your brain to mental how numerous oz in a gallon?

There isn"t a very straightforward answer, however don"t worry! I"ve done all the conversions and also calculations because that you.

Just keep scrolling down and also I"ve done every the conversions because that you!

I"ve additionally made a handy totally free printable (get the below) complete of kitchen conversions! simply print it out and keep it v your cookbooks.

Ounces deserve to be confusing, therefore I also have a handy overview if you"re wondering How plenty of Ounces in a Quart? Or How countless cups in a pint, quart or gallon.

It could also help you to check out this guide to imperial vs Metric.

Jump to:

What is a gallon?

A gallon is a measure of volume and fluid in both British imperial units and US Customary units. Three considerably different sizes room in existing use:

A gallon equates to 4 quarts, 8 pints, or 128 liquid ounces.

Abbreviation because that gallon: gal.

The native "gallon" has its root in the latin word, "galleus" or "galena", an interpretation container or big jar and was originally offered as a measurement of wine production.

A generally used volume measure up in the United states is gallons. Over there are four quarts in a gallon and also 128 liquid ounces in a gallon. A quart is made up of 2 pints or 4 cups, and also there space three cup in a pint. One cup amounts to eight fluid ounces therefore one pint equals 16 liquid ounces.

The royal system provides the same measurements as the Metric system except that that doesn"t use liters instead it goes v gallons yet they have different names prefer barrels (UK) or hogsheads (US).

For the functions of this conversion, I"ll be making use of the united state customary system.

What is an ounce?

An oz is a unit of load (dry ounce) or a unit that volume (fluid ounce).

A liquid ounce (fluid oz.) is a unit the measurement because that both liquid and also dry ingredients and also is frequently used in cooking, baking, nutrition and also pharmacies.

Abbreviation: fl oz, fl. Oz., or oz. Fl.

There are an extremely slight distinctions in the switch for imperial or united state Customary measurements.

US: 1 liquid ounce = 29.6 mlUK: 1 fluid ounce = 28.4 ml

Ounces have the right to be abbreviated to oz.

In recipes, you might also see fluid ounces abbreviation to fl oz.

A liquid ounce is a unit of fluid volume equal to ⅛th the a pint or 1/32nd of a quart.

General Conversions

To get started, below are the normal conversions because that liquids:

USA conversion: 1US fluid quart= 2 pints = 4 cup = 32 fluid ounces = 950 mililitres.

1 gallon = 4 quarts

UK conversion: 1 royal quart = 40 Imperial fluid ounces = 4+¾ cup = 1.13 litres.

1 gallon = 4 quarts = 8 pints = 16 cups = 128 fluid ounces

Half gallon that water contains 64 US liquid ounces.

Mathematical Formula

To transform fluid ounces to gallons and also vice versa, you need to divide the volume through the switch ratio.

In order to transform from gallons right into ounces, multiply her number through 128 (or division it through 128 if you desire the prize in ounces)

Fluid ounces in a gallon:1 gallon = 128 fluid ounces, for this reason the formula is:x fluid ounces ÷ 128 = x gallons

Ounces come Gallons

1 US fluid Ounce = 0.0078125 liquid gallon, for this reason the formula is:x gallons x 128 = x liquid ounces

In various other words:Convert liquid ounces come gallons = the oz x 128.Convert gallons come ounces = the gallons ÷ 128.

Ounces to Gallons

"How plenty of ounces in a gallon?" This is one of the most usual questions asked about liquid measurements.

A gallon is equal to 8 pints, 4 quarts, or 16 cups. There are 128 liquid ounces in a gallon and also this number will differ depending on whether friend use imperial or Metric measures.

Now you understand what gallons and also ounces are, and the mathematical counter equations.

So, let"s get on come the conversions. I"m sure you"re still wonder how plenty of ounces every gallon of water, or half a gallon!

I"ve damaged it down below:

NOTE: all conversions below are in us liquid measures.

How numerous ounces in half a gallon?

There space 64 fluid ounces in ½ gallon.

How numerous ounces in 1 gallon?

There room 128 liquid ounces in 1 gallon.

How numerous oz in 2 gallons?

There are 256 fluid ounces in 2 gallons.

How numerous oz in 3 gallons?

There space 384 fluid ounces in 3 gallons.

How many oz in 4 gallons?

There space 512 fluid ounces in 4 gallons.

How countless oz in 5 gallons?

There are 640 fluid ounces in 5 quarts.

Fluid Ounces to Gallons Chart

Use this comfortable chart to easily see how numerous fluid ounces are in a gallon. Keep in mind that Fl oz. Measurements are rounded.

US GallonUS Fl oz
¼ gallons32 fl oz
½ gal64 fl oz
1 gal128 fl oz
2 gal256 fl oz
3 gal384 fl oz
4 gal512 fl oz
5 gal640 fl oz
10 gal1280 fl oz
Here"s a comfortable chart convert ounces to gallons.

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Printable chart

Want a complimentary handy kitchen counter chart? I"ve acquired you covered! This graph will help you v lots of cooking conversions. Enjoy!

Here"s a handy kitchen counter chart because that you!

Click come download and print this kitchen counter chart.