US Gallon to US Fluid Ounce (gal to fl oz)
Convert gal to fl oz — Volume converter
One us gallon equals 128.000068 fl oz, so to convert US gallons to US fluid ounces you multiply the value by 128.000068. A us gallon is larger than a us fluid ounce — going the other way, 1 fl oz = 0.0078124959 gal. For example, 10 gal = 1280 fl oz and 50 gal = 6400 fl oz.
128.000068Click to copy
1 gal = 128.000068 fl oz
US Gallon to US Fluid Ounce formula
1 US Gallon = 128.000068 fl oz
Worked examples
- 25 gal = 3200 fl oz
- 100 gal = 12800.01 fl oz
US Gallon to US Fluid Ounce conversion table
| US Gallon (gal) | US Fluid Ounce (fl oz) |
|---|---|
| 1 | 128.000068 |
| 2 | 256.000135 |
| 3 | 384.000203 |
| 5 | 640.000338 |
| 8 | 1024 |
| 10 | 1280 |
| 12 | 1536 |
| 15 | 1920 |
| 20 | 2560 |
| 25 | 3200 |
| 50 | 6400 |
| 100 | 12800.01 |
| 250 | 32000.02 |
| 500 | 64000.03 |
| 1000 | 128000.07 |
Frequently asked questions
How many US fluid ounces are in one us gallon?
One us gallon equals 128.000068 US fluid ounces (fl oz).
How many US gallons are in one us fluid ounce?
One us fluid ounce equals 0.0078124959 US gallons (gal).
How do you convert US gallons to US fluid ounces?
1 US Gallon = 128.000068 fl oz. Use the calculator above for any value.
What is 5 gal in fl oz?
5 gal = 640.000338 fl oz.
What is 100 gal in fl oz?
100 gal = 12800.01 fl oz.
What is 10 gal in fl oz?
10 gal = 1280 fl oz.
What is 20 gal in fl oz?
20 gal = 2560 fl oz.
Is a us gallon bigger than a us fluid ounce?
Yes. A us gallon is larger — one us gallon equals 128.000068 US fluid ounces (fl oz).