Converted Value
0.0078125
Also available in our
Android app, with charts and full breakdown tables.
Rate this calculator
Was it useful? A quick star rating helps others — and you can leave a comment too.
Rate it:
★
★
★
★
★
⚡ US Fluid Ounces to US Gallons: the quick answer
1 fl oz = 0.0078125 gal
1 US fluid ounce equals 0.0078125 US gallons
To convert US fluid ounces to US gallons, multiply the value by 0.0078125.
To go the other way, multiply US gallons by 128 to get US fluid ounces.
↔ Convert US gallons to US fluid ounces instead
🧮 Formula
Every unit here is defined by its volume in cubic meters, so the conversion factor is (cubic meters per US fluid ounce) ÷ (cubic meters per US gallon).
📊 US Fluid Ounces to US Gallons conversion table
✏️ Worked examples
Convert 25 US fluid ounces to US gallons
25 fl oz × 0.0078125 = 0.195313 gal
Try this example →
Convert 250 US fluid ounces to US gallons
250 fl oz × 0.0078125 = 1.95313 gal
Try this example →
📘 About these units
US fluid ounce (fl oz). A US fluid ounce is 29.5735 mL, the unit on American drink and food labels.
US gallon (gal). The US liquid gallon is 231 cubic inches, exactly 3.785411784 liters.
❓ Frequently asked questions
How many US gallons are in one US fluid ounce?
There are 0.0078125 US gallons in one US fluid ounce.
How do I convert US fluid ounces to US gallons?
Multiply the number of US fluid ounces by 0.0078125. For example, 10 US fluid ounces equal 0.078125 US gallons.
How many US fluid ounces are in one US gallon?
One US gallon equals 128 US fluid ounces.
🔗 More volume conversions
All volume units →