Gallons to Fluid Ounces
Convert gallons to fluid ounces for cooking and baking. 1 gal = 128 fl oz. Free kitchen converter.
CL
CalcLeap Editorial Team
Reviewed by certified professionals · Last updated April 1, 2026
Convert gallons to fluid ounces for cooking and baking. 1 gal = 128 fl oz. Free kitchen converter.
1 gal = 128 fl oz
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128
Gallons to Fluid Ounces Conversion Table
| Gallons (gal) | Fluid Ounces (fl oz) |
|---|---|
| 0.25 gal | 32.00 fl oz |
| 0.5 gal | 64.00 fl oz |
| 1 gal | 128.00 fl oz |
| 1.5 gal | 192.00 fl oz |
| 2 gal | 256.00 fl oz |
| 3 gal | 384.00 fl oz |
| 4 gal | 512.00 fl oz |
| 5 gal | 640.00 fl oz |
| 8 gal | 1024.00 fl oz |
| 10 gal | 1280.00 fl oz |
| 12 gal | 1536.00 fl oz |
| 16 gal | 2048.00 fl oz |
How to Convert Gallons to Fluid Ounces
To convert gallons to fluid ounces, multiply by 128. For example, 2 gal = 256.00 fl oz. This conversion is commonly used in cooking and baking recipes.