Fluid ounces (us) to Gallons (uk) Converter
Convert fluid ounce (US) to gallon (UK) instantly. Type a value below — the result updates as you type.
When you need to convert fluid ounce (US) to gallon (UK)
Volume conversions show up most in the kitchen and at the pump — scaling a recipe written for another country, dosing a liquid, or comparing fuel and drink sizes between metric and US/UK measures.
Typical values: 0.5 fl oz is about 0.0033 gal, and 100 fl oz works out to roughly 0.6505 gal. Because the ratio is fixed at 0.0065, you can scale any amount linearly — doubling the fluid ounces (US) doubles the gallons (UK).
US and UK 'cups', 'pints' and 'gallons' differ, so always check which system a recipe or label uses before converting.
How to convert fluid ounce (US) to gallon (UK)
One fluid ounce (US) equals 0.0065 gallons (UK). To convert, multiply the number of fluid ounces (US) by 0.0065:
gallons (UK) = fluid ounces (US) × 0.0065
For example, 10 fluid ounces (US) × 0.0065 = 0.0651 gallons (UK).
Fluid ounces (us) to gallons (UK) conversion table
| Volume (fl oz) | Gallons (uk) (gal) |
|---|---|
| 1 fl oz | 0.0065 gal |
| 2 fl oz | 0.013 gal |
| 3 fl oz | 0.0195 gal |
| 5 fl oz | 0.0325 gal |
| 10 fl oz | 0.0651 gal |
| 20 fl oz | 0.1301 gal |
| 50 fl oz | 0.3253 gal |
| 100 fl oz | 0.6505 gal |
FAQ
How many gallons (UK) are in a fluid ounce (US)?
One fluid ounce (US) = 0.0065 gallons (UK).
How do I convert gallons (UK) back to fluid ounces (US)?
Divide by 0.0065, or use the gallons (UK) to fluid ounces (US) converter.