Content

### 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.

Gallons

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

Written by

Rahul LathReviewed by

Arpit Rankwar