Convert Gallons to Ounces

Conversion of gallons to ounces: Gallons and ounces are used to measure the weight. A measure of 128 US fluid ounces makes 1 US gallon and a measure of 160 British Imperial Fluid Ounces makes 1 British Imperial gallon.

This article will help you to convert gallons to ounces.

What is a Gallon?

A Gallon is a unit of measurement for liquids and one US gallon is 3.79 liters and 1 British imperial Gallon is 4.54 litres. It’s denoted by ‘gal.’

Common Usage:

• Used for measuring water in a tank.
• Used for measuring milk in a big can.
• Used for measuring oil in a big vessel.

What is an Ounce?

An Ounce is the smallest unit used for measuring the weight, mass, or volume and it is equal to one-sixteenth of a pound. The weight is generally measured in ounces and pounds in the United States while other countries use metric units such as Newtons. It’s denoted by ‘oz.’

Common Usage:

• Used for measuring packaged foods.
• Used for measuring postal items.
• Used for measuring the weight of paper.

Dry Ounce

A Dry ounce is the smallest unit of measurement. It is generally used for measuring dry ingredients in the kitchen such as nuts, seeds, sugar, salt, and other various kinds of powders, etc.

Fluid Ounce

Fluid ounces are commonly used for measuring the volume of liquid items such as milk, yogurt, cooking oil, honey, etc. It’s denoted by ‘fl oz.’

• It’s always advised to measure the liquid items in cups and but if you are using dry ingredients then you will have to measure that in scale. As one cup equals 8 fluid ounces, different dry items will have different weights.

How to convert Gallons (gal) to Ounces (oz)?

The formula to convert gallons to ounces is given below:
X US gal = X × 128 US fl oz
X  Imperial gal = X × 160 Imperial fl oz
where X is the value of gallons.
As
1 US Gallon = 128 US fluid ounce
I British Imperial Gallon = 160 British Imperial Fluid Ounce

Examples of the conversion of US Gallons to US Fluid Ounces

Problem 1: How to convert 10 US gallons to US fluid ounces?
Solution 1:

Step 1: The given value is 10 US gallons.
Step 2: To convert US gallons to US fluid ounces, substitute the given values at the required places in the conversion formula.
X US gal = X × 128 US fl oz
Hence,
10 US gal = 10 × 128 US fl oz
= 1280 US fl oz
Therefore, 10 US gallons is 1280 US fluid ounces.

Problem 2: How to convert 45 US gallons to US fluid ounces?
Solution 2:

Step 1: The given value is 45 gallons.
Step 2: To convert US gallons to US fluid ounces, substitute the given values at the required places in the conversion formula.
X US gal = X × 128 US fl oz
Hence,
45 US gal = 45 × 128 US fl oz
  = 5760 fl oz
Therefore, 45 US gallons is 5760 fluid ounces.

Problem 3: How to convert 90 US gallons to US fluid ounces?
Solution 3:

Step 1: The given value is 90 gallons.
Step 2: To convert US gallons to US fluid ounces, substitute the given values at the required places in the conversion formula.
X US gal = X × 128 US fl oz
Hence,
90 US gal = 90 × 128 US fl oz
= 11520 fl oz
Therefore, 90 US gallons is 11520 fluid ounces.

Examples of the Conversion of British Imperial Gallons to British Imperial Ounces

Problem 1: How to convert 10 British Imperial Gallons to British Imperial Ounces?
Solution 1:

Step 1: The given value is 10 British Imperial gallons.
Step 2: To convert British Imperial Gallons to British Imperial Ounces, substitute the given values at the required places in the conversion formula.
X  Imperial gal = X × 160 Imperial fl oz
Hence,
10 Imperial gal = 10 × 160 Imperial fl oz
= 1600 Imperial fl oz
Therefore, 10 Imperial gallons is 1600 Imperial fluid ounces.

Problem 2: How to convert 50 British Imperial Gallons to British Imperial Ounces?
Solution 2:

Step 1: The given value is 50 British Imperial gallons.
Step 2: To convert British Imperial Gallons to British Imperial Ounces, substitute the given values at the required places in the conversion formula.
X  Imperial gal = X × 160 Imperial fl oz
Hence,
50 Imperial gal = 50 × 160 Imperial fl oz
  = 8000 Imperial fl oz
Therefore, 50 Imperial gallons is 8000 Imperial fluid ounces.

Problem 3: How to convert 6 British Imperial Gallons to British Imperial Ounces?
Solution 3:

Step 1: The given value is 6 British Imperial gallons.
Step 2: To convert British Imperial Gallons to British Imperial Ounces, substitute the given values at the required places in the conversion formula.
X  Imperial gal = X × 160 Imperial fl oz
Hence,
6 Imperial gal = 6 × 160 Imperial fl oz
  = 960 imperial fl oz
Therefore, 6 Imperial gallons is 960 imperial fluid ounces.

Gallons to Fluid Ounces
conversion table (In US Customary Units)

US Gallon  (US gal)	US Fluid Ounce (US fl oz)	Conversion of US Gallons to US Fluid Ounces
1 gallon	128 fluid ounces	1 gallon is 128 fluid ounces
2 gallons	256 fluid ounces	2 gallons is 256 fluid ounces
3 gallons	384 fluid ounces	3 gallons is 384 fluid ounces
4 gallons	512 fluid ounces	4 gallons is 512 fluid ounces
5 gallons	640 fluid ounces	5 gallons is 640 fluid ounces
6 gallons	768 fluid ounces	6 gallons is 768 fluid ounces
7 gallons	896 fluid ounces	7 gallons is 896 fluid ounces
8 gallons	1024 fluid ounces	8 gallons is 1024 fluid ounces
9 gallons	1152 fluid ounces	9 gallons is 1152 fluid ounces
10 gallons	1280 fluid ounces	10 gallons is 1280 fluid ounces
20 gallons	2560 fluid ounces	20 gallons is 2560 fluid ounces
30 gallons	3840 fluid ounces	30 gallons is 3840 fluid ounces
40 gallons	5120 fluid ounces	40 gallons is 5120 fluid ounces
50 gallons	6400 fluid ounces	50 gallons is 6400 fluid ounces
60 gallons	7680 fluid ounces	60 gallons is 7680 fluid ounces
70 gallons	8960 fluid ounces	70 gallons is 8960 fluid ounces
80 gallons	10240 fluid ounces	80 gallons is 10240 fluid ounces
90 gallons	11520 fluid ounces	90 gallons is11520 fluid ounces
100 gallons	12800 fluid ounces	100 gallons is 12800 fluid ounces

Gallons to Fluid Ounces conversion table (In British Imperial metric system)

Imperial Gallon (gal)	Imperial fluid Ounces (fl oz)	Conversion of Imperial Gallons to Fluid Ounces (gal to fl oz)
1 gallon	160 ounces	1 gallon is 160 ounces
2 gallons	320 ounces	2 gallons is 320 ounces
3 gallons	480 ounces	3 gallons is 480 ounces
4 gallons	640 ounces	4 gallons is 640 ounces
5 gallons	800 ounces	5 gallons is 800 ounces
6 gallons	960 ounces	6 gallons is 960 ounces
7 gallons	1120 ounces	7 gallons is 1120 ounces
8 gallons	1280 ounces	8 gallons is 1280 ounces
9 gallons	1440 ounces	9 gallons is 1440 ounces
10 gallons	1600 ounces	10 gallons is 1600 ounces
20 gallons	3200 ounces	20 gallons is 3200 ounces
30 gallons	4800 ounces	30 gallons is 4800 ounces
40 gallons	6400 ounces	40 gallons is 6400 ounces
50 gallons	8000 ounces	50 gallons is 8000 ounces
60 gallons	9600 ounces	60 gallons is 9600 ounces
70 gallons	11200 ounces	70 gallons is 11200 ounces
80 gallons	12800 ounces	80 gallons is 12800 ounces
90 gallons	14400 ounces	90 gallons is 14400 ounces
100 gallons	16000 ounces	100 gallons is 16000 ounces

Difference between Gallons and Ounces

Comparison parameters	Gallons (gal)	Ounce (oz)
Definition	A Gallon is a unit of measurement for liquids and one US gallon is 3.79 liters & 1 British imperial Gallon is 4.54 litres. It’s denoted by ‘gal.’	An Ounce is a unit used for measuring weight and it is equal to one-sixteenth of a pound. The weight is generally measured in ounces and pounds in the United States while other countries use metric units such as Newtons.
Symbol	gal	oz
Formula	1 US Gallon = 128 US fluid ounce I British Imperial Gallon = 160 British Imperial Fluid Ounce	1 US fluid ounce = 0.0078125 US Gallon   1 British Imperial ounce = 0.00625 British Imperial Gallon
Common Usage	Used for measuring water in a tank, oil in a big vessel, and milk in a big can, etc.	Used for measuring various liquid items, bulk solids, etc.

FAQs on the conversion of gallons to ounces

Is 64 oz the same as 1 gallon?
No, 64 ounces is half a gallon. As 64 ounces are 0.5 gallons in US Customary Units and 0.4 ounces in 1 gallon in the British Imperial system.

How many 16 oz bottles of water does it take to equal a gallon?
It takes eight 16 oz bottles of water to make a gallon in the US customary units and ten 16 oz bottles of water to make a gallon in the British Imperial system.

Is 32 oz half a gallon?
No, 32 oz is a quarter of a gallon in the US Customary Units.

How many 64 oz does it take to make a gallon?
Two 64 oz makes a gallon in US Customary Units and 2.5 oz makes a gallon in the British Imperial system.

What is a gallon?
A Gallon is a unit of measurement for liquids and one US gallon is 3.79 liters & 1 British imperial Gallon is 4.54 litres. It’s denoted by ‘gal.’

How many ounces are in a gallon?
1 US liquid gallon = 128 US fluid ounce

Convert 90 oz to gallons.
1 oz = 128 gal
90 oz = 0.703125 gal

Convert 8 fluid ounces to gallons.
1 oz = 128 gal
8 oz = 0.0625 gal

Related conversion

Cups to Ounces

Cup to Gallon

Quart to Gallon

Millilitre to Litre

Gallon to Litre

Litre to Millilitre

Gallons to Ounces

References

The SI Base