US Gallon to Fluid Ounce
1 US Gallon = 128 Fluid Ounce
Conversion Formula
To convert US Gallon to Fluid Ounce, multiply the value by 128.
US Gallon × 128 = Fluid Ounce
Quick Reference
| gal | fl oz |
|---|---|
| 1 | 128 |
| 5 | 640 |
| 10 | 1280 |
| 25 | 3200 |
| 50 | 6400 |
| 100 | 12800 |
| 500 | 64000 |
| 1000 | 128000 |
What is US Gallon?
The US gallon (symbol: gal) is a unit of volume in the US customary systems.
It is defined as exactly 231 cubic inches, which is approximately 3.785 liters.
Common Uses
In the United States, the gallon is the standard unit for measuring fuel and large containers of liquids like milk or water. Note that the Imperial gallon used in the UK is larger (approx. 4.54 liters).
What is Fluid Ounce?
The fluid ounce (symbol: fl oz) is a unit of volume in the US customary and British imperial systems of measurement.
In the US system, it is exactly 1/128 of a US gallon, which is approximately 29.57 milliliters.
Common Uses
The fluid ounce is a very common unit for measuring liquid servings, such as beverages, perfumes, and liquid medications. It is the standard unit for measuring the capacity of cans and bottles in the United States.
How many fluid ounce are in a us gallon?
There are 128 fluid ounce in 1 us gallon.