🪣 Free · Instant · Visual Gallons to
Gallons to
Fluid Ounces Converter
Convert gallons to fluid ounces instantly. Supports both US and Imperial gallons with live calculations.
100%Free
LiveReal-Time
2 SysUS & UK
The Converter
LiveConversion Result
—
Formula—
Factor—
Interactive Visual Diagram
Input Output
Reference
Gallons to Fluid Ounces Chart
Reference for converting gallons to fluid ounces.
| Gallons | US Fl Oz | Imperial Fl Oz | Common Use |
|---|---|---|---|
| 0.25 | 32 | 40 | Quarter gallon |
| 0.5 | 64 | 80 | Half gallon |
| 1 | 128 | 160 | One gallon |
| 2 | 256 | 320 | Two gallons |
| 3 | 384 | 480 | Three gallons |
| 5 | 640 | 800 | Five gallons |
Frequently Asked Questions
Common questions about this conversion tool and how to use it.
A US gallon contains 128 US fluid ounces. An Imperial gallon contains 160 Imperial fluid ounces.
Yes. A US gallon is 3,785.41 mL (128 fl oz) while an Imperial gallon is 4,546.09 mL (160 fl oz).
There are 16 US cups in a US gallon.
1 US gallon ≈ 3.785 liters. 1 Imperial gallon ≈ 4.546 liters.