Convert US Fluid Ounces to US Gallons
Convert US fluid ounces to US gallons instantly. Type a value below, check the formula and table, then see how the same fl oz (US) to gal (US) conversion looks as a single line in Notes Calculator.
US Fluid Ounces to US Gallons formula
One US fluid ounce is 0.0078125 US gallons, so gal (US) = fl oz (US) × 0.0078125. For the reverse, multiply US gallons by 128, or use the US Gallons to US Fluid Ounces converter.
US Fluid Ounces to US Gallons conversion table
| US Fluid Ounces (fl oz (US)) | US Gallons (gal (US)) |
|---|---|
| 1 | 0.0078125 |
| 2 | 0.015625 |
| 5 | 0.0390625 |
| 10 | 0.078125 |
| 20 | 0.15625 |
| 25 | 0.195313 |
| 50 | 0.390625 |
| 100 | 0.78125 |
| 250 | 1.95313 |
| 500 | 3.90625 |
| 1,000 | 7.8125 |
US Fluid Ounces to US Gallons in Notes Calculator
Notes Calculator is a notepad that does math. Write 100 fluid ouncesUS to galUS on any line and the answer appears beside it. Change the number and the result follows. The same works with in and as, and with values stored in variables, so a whole estimate can mix US fluid ounces and US gallons without a separate converter.
| Note | Result |
|---|---|
| 100 fluid ouncesUS to galUS | 0.78 galUS |
| 100 fluid ouncesUS in galUS | 0.78 galUS |
| 10 galUS as fluid ouncesUS | 1,280 flUS |
See the unit conversion docs for mixing units in one expression, or open the free web app and try it.
More volume conversions
- US Gallons to US Fluid Ounces
- US Fluid Ounces to Milliliters
- US Fluid Ounces to Liters
- US Fluid Ounces to Cubic Meters
- US Fluid Ounces to Cubic Centimeters
- US Fluid Ounces to Cubic Feet
- US Fluid Ounces to Cubic Inches
- US Fluid Ounces to Imperial Gallons
- US Fluid Ounces to US Pints
- US Fluid Ounces to US Quarts
- US Fluid Ounces to US Tablespoons
- All-in-one unit converter
FAQ
Frequently asked questions
- One US fluid ounce equals 0.0078125 US gallons. To convert US fluid ounces to US gallons, multiply by 0.0078125; to go back, multiply by 128.
- Type the value, the unit, and the target unit on one line: 100 fluid ouncesUS to galUS. The keywords to, in, and as all work, and the result updates as you type. You can also keep the value in a variable and convert it later.
- Yes. The converter on this page is free, and Notes Calculator has a free plan for the web, Mac, Windows, Linux, and Android with the same unit conversions built in.
How many US gallons are in one US fluid ounce?
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Convert US fluid ounces to US gallons without leaving your notes.
Notes Calculator is free to start and runs in your browser. Units, currencies, percentages, and variables in one plain-text notepad.
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