Table Of Contents
Fluid ounces to gallons Conversion
1 fluid ounces (fl oz) is equal to 0.0078125 gallons (gal).
1 fl oz = 0.0078125 gal
or
1 gal = 128 fl oz
Formula
To convert a volume from fluid ounces (fl oz) to gallons (gal), divide the volume in fluid ounces by 128
v(gal) = v(fl oz) / 128
Examples:
Convert 100 fluid ounces to gallons:
v(gal) = 100fl oz / 128 = 0.78125 gal
Conversion table
| Fluid ounces (fl oz) | Gallons (gal) |
|---|---|
| 1 fl oz | 0.0078125 gal |
| 2 fl oz | 0.015625 gal |
| 3 fl oz | 0.0234375 gal |
| 5 fl oz | 0.0390625 gal |
| 10 fl oz | 0.078125 gal |
| 20 fl oz | 0.15625 gal |
| 25 fl oz | 0.1953125 gal |
| 50 fl oz | 0.390625 gal |
| 100 fl oz | 0.78125 gal |
| 250 fl oz | 1.953125 gal |
| 500 fl oz | 3.90625 gal |
| 1000 fl oz | 7.8125 gal |
| Gallons (gal) | Fluid ounces (fl oz) |
|---|---|
| 1 gal | 128 fl oz |
| 2 gal | 256 fl oz |
| 3 gal | 384 fl oz |
| 5 gal | 640 fl oz |
| 10 gal | 1280 fl oz |
| 20 gal | 2560 fl oz |
| 25 gal | 3200 fl oz |
| 50 gal | 6400 fl oz |
| 100 gal | 12800 fl oz |
| 250 gal | 32000 fl oz |
| 500 gal | 64000 fl oz |
| 1000 gal | 128000 fl oz |
Frequently asked questions
How do I convert fluid ounces to gallons?
Divide the value in fluid ounces by 128 to get the result in gallons. For example, 5 fl oz ÷ 128 = 0.0390625 gal.
How many gallons are in 1 fluid ounces?
1 fluid ounces (fl oz) is equal to 0.0078125 gallons (gal).
How do I convert gallons back to fluid ounces?
Use the inverse operation: multiply the value in gallons by 128 to get the result in fluid ounces.
How accurate is the fluid ounces to gallons conversion?
The converter multiplies by the conversion factor 128 and rounds the result to 9 decimal places by default. You can increase or reduce the precision with the digits option on this page.
