US Gallon to US Fluid Ounce Converter
Enter a value to instantly convert between volume units.
Precision4 dp
1 US Gallon = 128 US Fluid Ounce
Key Formulas
Liter → US Gallon
gal = L × 0.264172US Gallon → Liter
L = gal × 3.78541US Cup → Milliliter
mL = cup × 236.588Milliliter → US Cup
cup = mL × 0.00422675Formula
fl oz = gal × 128US Gallon and US Fluid Ounce are volume units. US Gallon is commonly used for various applications, while US Fluid Ounce is standard for standard use. Conversion matters when working with recipes, shipping liquid goods, or scientific calculations.
Source: NIST SP 811, Table B.8
Last reviewed: · see our methodology
00| US Gallon (gal) | US Fluid Ounce (fl oz) |
|---|---|
| 1 | 128 |
| 5 | 640 |
| 10 | 1,280 |
| 25 | 3,200 |
| 50 | 6,400 |
| 100 | 12,800 |
| 500 | 64,000 |
| 1,000 | 128,000 |