1 gal to fl oz
1 gal equals 128 fl oz (multiplying by 128).
128 fl oz (= 128 fl oz)
1 gal = 128 fl oz
Converter
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Nearby values
| gal | fl oz |
|---|---|
| 0.25 | 32 |
| 0.5 | 64 |
| 0.75 | 96 |
| 1 | 128 |
| 1.5 | 192 |
| 2 | 256 |
| 2.5 | 320 |
| 3 | 384 |
How the math works
The gal→fl oz factor is 128. Multiplying: 1 × 128 = 128 fl oz. Because the factor is a defined constant, the result is exact — only the display is rounded.
Frequently asked questions
How do you convert 1 gal to fl oz?
Multiply by the conversion factor: 1 × 128 = 128 fl oz. The factor is the exact definition, not a rounded approximation.
Is 128 fl oz exact?
The conversion is exact to the precision shown — the displayed value is rounded for readability, and the full-precision result is 128 fl oz.
What is 128 fl oz in gal again?
Working backwards: divide by the factor (or use the calculator above) — 128 fl oz ÷ 128 = 1 gal.
Related
0.75 gal1.5 galFull conversion tablemilliliters to US fluid ouncesUS fluid ounces to millilitersliters to US gallons