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


Are you wondering how countless ounces in a gallon? that isn"t simple to remember exactly how to transform liquid oz come a gallon or gallons to ounce. You"ll should do a little straightforward math. Yet don"t worry, I"ve excellent it all for you, including a switch chart!

Wondering how many oz in a gallon of water or liquid?

Have you ever before wondered how many ounces in a gallon or fifty percent a gallon?

In this blog post, we will discover the various measurements that are provided to measure volume, and also what is a gallon.

You are watching: How many ounces in a 1/2 gallon

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

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

I understand how hard it have the right to be when you"re cooking and your favorite recipe is composed in Imperial, yet you recognize Metric or angry versa.

Suddenly you could find the you"re racking your brain to psychic how countless oz in a gallon?

There isn"t a an extremely straightforward answer, yet don"t worry! I"ve done all the conversions and calculations for you.

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

I"ve likewise made a handy totally free printable (get the below) full of kitchen conversions! just print that out and keep it through your cookbooks.

Ounces can be confusing, therefore I likewise have a handy overview if you"re wonder How countless Ounces in a Quart? Or How numerous cups in a pint, quart or gallon.

It might also help you to check out this guide to royal vs Metric.

Jump to:

What is a gallon?

A gallon is a measure of volume and fluid in both British imperial units and also 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 actually its roots in the latin word, "galleus" or "galena", meaning container or huge jar and was originally provided as a measure of wine production.

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

The royal system supplies the same measurements as the Metric system other than that that doesn"t usage liters rather it goes v gallons however they have different names favor barrels (UK) or hogsheads (US).

For the objectives 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 that measurement because that both liquid and dry ingredients and is frequently used in cooking, baking, nutrition and also pharmacies.

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

There are an extremely slight differences in the switch for imperial or us Customary measurements.

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

Ounces can be abbreviation to oz.

In recipes, you might additionally see liquid ounces abbreviation to fl oz.

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

General Conversions

To acquire started, here are the normal conversions for liquids:

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

1 gallon = 4 quarts

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

1 gallon = 4 quarts = 8 pints = 16 cup = 128 liquid ounces

Half gallon the water contains 64 US fluid ounces.

Mathematical Formula

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

In stimulate to transform from gallons into ounces, multiply her number through 128 (or divide it by 128 if you want the price in ounces)

Fluid ounces in a gallon:1 gallon = 128 liquid ounces, therefore 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 fluid ounces

In other words:Convert fluid ounces to gallons = the oz x 128.Convert gallons come ounces = the gallons ÷ 128.

Ounces to Gallons

"How countless ounces in a gallon?" This is among the most usual questions asked around liquid measurements.

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

Now you recognize what gallons and also ounces are, and also the mathematical switch equations.

So, let"s gain on come the conversions. I"m certain you"re still wondering how plenty of ounces per gallon the water, or half a gallon!

I"ve damaged it down below:

NOTE: all conversions listed below are in us liquid measures.

How countless ounces in half a gallon?

There are 64 liquid ounces in ½ gallon.

How many ounces in 1 gallon?

There are 128 fluid ounces in 1 gallon.

How numerous oz in 2 gallons?

There are 256 fluid ounces in 2 gallons.

How plenty of oz in 3 gallons?

There room 384 fluid ounces in 3 gallons.

How numerous oz in 4 gallons?

There are 512 fluid ounces in 4 gallons.

How countless oz in 5 gallons?

There room 640 fluid ounces in 5 quarts.

Fluid Ounces come Gallons Chart

Use this handy chart to quickly see how plenty of fluid ounces are in a gallon. Note that Fl oz. Dimensions 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 handy chart converting ounces to gallons.

See more: How Much Is 75 Grams Of Sugar To Tablespoons, How Much Is 75 Grams To Cups

Printable chart

Want a totally free handy kitchen switch chart? I"ve acquired you covered! This graph will aid you v lots of cooking conversions. Enjoy!

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

Click to download and print this kitchen conversion chart.