Fluid ounces (US) to Gallons (US) Converter
Convert fl oz to gal instantly — and see every other volume unit at once.
1 fl oz=0.007812 gal
1 fl oz in every unit
Milliliters
29.5735ml
Liters
0.029574L
Cubic meters
2.9574e-5m³
Cubic centimeters
29.5735cm³
Cubic inches
1.8047in³
Cubic feet
0.001044ft³
Fluid ounces (US)from
1fl oz
Cups (US)
0.125cup
Pints (US)
0.0625pt
Quarts (US)
0.03125qt
Gallons (US)
0.007812gal
Gallons (UK)
0.006505gal (UK)
Common Fluid ounces (US) to Gallons (US) conversions
| Fluid ounces (US) (fl oz) | Gallons (US) (gal) |
|---|---|
| 1 fl oz | 0.00781 gal |
| 2 fl oz | 0.01562 gal |
| 5 fl oz | 0.03906 gal |
| 10 fl oz | 0.07812 gal |
| 25 fl oz | 0.19531 gal |
| 50 fl oz | 0.39062 gal |
| 100 fl oz | 0.78125 gal |
| 250 fl oz | 1.95312 gal |
| 500 fl oz | 3.90625 gal |
| 1000 fl oz | 7.8125 gal |
The formula
Fluid ounces (US) (fl oz) — a unit of volume.
Gallons (US) (gal) — a unit of volume.
Worked examples
1 fl oz→0.00781 gal
Apply Fluid ounces (US) ÷ 128 with input = 1. Result: 0.00781 gal.
5 fl oz→0.03906 gal
Apply Fluid ounces (US) ÷ 128 with input = 5. Result: 0.03906 gal.
10 fl oz→0.07812 gal
Apply Fluid ounces (US) ÷ 128 with input = 10. Result: 0.07812 gal.
FAQ
How do I convert Fluid ounces (US) to Gallons (US)?
Use the formula: gal = Fluid ounces (US) ÷ 128. You can also use the converter above — type any value and the result updates instantly.
Where are Fluid ounces (US) used?
Fluid ounces (US) (fl oz) — a unit of volume.
Where are Gallons (US) used?
Gallons (US) (gal) — a unit of volume.