US fluid ounce to UK gallon Converter
1 fl oz = 0.006505 gal (UK) — convert instantly with formula and table.
Type a value above and it converts instantly — no button to press, no page reload, and the math runs entirely in your browser.
Quick answer: one us fluid ounce equals 0.006505 UK gallons. So to convert US fluid ounces to UK gallons, multiply by 0.00650527.
How to convert US fluid ounces to UK gallons
UK gallons = US fluid ounces × 0.0065052671
The US fluid ounce is about 29.57 ml — slightly larger than the UK fluid ounce. Eight fluid ounces make a US cup.
The imperial (UK) gallon is 4.54609 liters — about 20% larger than the US gallon. Confusing the two is a classic source of fuel-economy errors.
US fluid ounce to UK gallon conversion table
| US fluid ounce (fl oz) | UK gallon (gal (UK)) |
|---|---|
| 0.01 fl oz | 0.00006505 gal (UK) |
| 0.1 fl oz | 0.00065053 gal (UK) |
| 0.25 fl oz | 0.001626 gal (UK) |
| 0.4 fl oz | 0.002602 gal (UK) |
| 0.75 fl oz | 0.004879 gal (UK) |
| 1.25 fl oz | 0.008132 gal (UK) |
| 1.75 fl oz | 0.011384 gal (UK) |
| 2.5 fl oz | 0.016263 gal (UK) |
| 3.5 fl oz | 0.022768 gal (UK) |
| 4.5 fl oz | 0.029274 gal (UK) |
| 6 fl oz | 0.039032 gal (UK) |
| 8 fl oz | 0.052042 gal (UK) |
| 10 fl oz | 0.065053 gal (UK) |
| 12 fl oz | 0.078063 gal (UK) |
| 14 fl oz | 0.091074 gal (UK) |
| 16 fl oz | 0.104084 gal (UK) |
| 18 fl oz | 0.117095 gal (UK) |
| 20 fl oz | 0.130105 gal (UK) |
| 24 fl oz | 0.156126 gal (UK) |
| 26 fl oz | 0.169137 gal (UK) |
| 30 fl oz | 0.195158 gal (UK) |
| 35 fl oz | 0.227684 gal (UK) |
| 45 fl oz | 0.292737 gal (UK) |
| 55 fl oz | 0.35779 gal (UK) |
| 65 fl oz | 0.422842 gal (UK) |
| 75 fl oz | 0.487895 gal (UK) |
| 85 fl oz | 0.552948 gal (UK) |
| 95 fl oz | 0.618 gal (UK) |
| 110 fl oz | 0.715579 gal (UK) |
| 125 fl oz | 0.813158 gal (UK) |
| 175 fl oz | 1.1384 gal (UK) |
| 250 fl oz | 1.6263 gal (UK) |
| 350 fl oz | 2.2768 gal (UK) |
| 450 fl oz | 2.9274 gal (UK) |
| 600 fl oz | 3.9032 gal (UK) |
| 750 fl oz | 4.879 gal (UK) |
| 900 fl oz | 5.8547 gal (UK) |
| 1,500 fl oz | 9.7579 gal (UK) |
| 2,500 fl oz | 16.2632 gal (UK) |
| 10,000 fl oz | 65.0527 gal (UK) |
Need the opposite direction? Use the UK gallon to US fluid ounce converter, or read our complete guide to volume conversions for every formula in one place.
Frequently asked questions
How many UK gallons are in one us fluid ounce?
One us fluid ounce equals 0.006505 UK gallons. Multiply any us fluid ounce value by 0.00650527 to get UK gallons.
What is 10 US fluid ounces in UK gallons?
10 US fluid ounces equal 0.065053 UK gallons (10 × 0.006505).
Is the us fluid ounce to uk gallon conversion exact?
The conversion factor used here (0.0065052671) is based on the internationally agreed definitions of both units, so results are exact up to rounding of the final decimal places.
Is my data stored when I use this converter?
No. The conversion runs entirely in your browser with JavaScript — nothing you type is sent to a server, logged or stored.