US gallons to US fluid ounces
One us gallon is 128 us fluid ounces. Volume units. Fluid ounces, cups, pints, quarts and gallons here are US customary, which are smaller than their imperial counterparts.
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1 us gallon = 128 us fluid ounces · open this conversion
Formula
us fluid ounces = us gallons × 128
US customary measures. A US gallon is 3.785 L; an imperial gallon is 4.546 L.
US gallons to US fluid ounces table
| US gallons | US fluid ounces |
|---|---|
| 1 gal | 128 fl oz |
| 2 gal | 256 fl oz |
| 3 gal | 384 fl oz |
| 4 gal | 512 fl oz |
| 5 gal | 640 fl oz |
| 6 gal | 768 fl oz |
| 8 gal | 1,024 fl oz |
| 10 gal | 1,280 fl oz |
| 12 gal | 1,536 fl oz |
| 16 gal | 2,048 fl oz |
| 20 gal | 2,560 fl oz |
| 24 gal | 3,072 fl oz |
| 32 gal | 4,096 fl oz |
| 40 gal | 5,120 fl oz |
| 50 gal | 6,400 fl oz |
| 64 gal | 8,192 fl oz |
| 75 gal | 9,600 fl oz |
| 100 gal | 12,800 fl oz |
| 128 gal | 16,384 fl oz |
| 250 gal | 32,000 fl oz |
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Other volume conversions
⇄ US fluid ounces to US gallonsUS gallons to MillilitresUS gallons to LitresUS gallons to Cubic metresUS gallons to US cupsUS gallons to US pintsUS gallons to US quarts
Frequently asked questions
▸How many us fluid ounces are in a us gallon?
One us gallon is 128 us fluid ounces. us fluid ounces = us gallons × 128.
▸How do I convert us gallons to us fluid ounces?
Multiply the number of us gallons by 128. For example, 10 gal × 128 = 1,280 fl oz.
▸What is the difference between us gallons and us fluid ounces?
US gallon (gal) and US fluid ounce (fl oz) both measure volume. Volume units. Fluid ounces, cups, pints, quarts and gallons here are US customary, which are smaller than their imperial counterparts.
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