Fl Oz to UK Gallons Converter

How to convert US fluid ounces to imperial gallons

Formulagal (UK) = fl oz × 0.006505267067

Multiply the value in US fluid ounces by 0.006505267067. To go the other way, multiply by 153.7215905 (or divide by 0.006505267067).

An US fluid ounce is smaller than an imperial gallon: it takes 153.7215905 US fluid ounces to make one imperial gallon.

Worked examples

1 US fluid ounce1 fl oz × 0.006505267067 = 0.006505267067 gal (UK)
5 US fluid ounces5 fl oz × 0.006505267067 = 0.03252633534 gal (UK)
10 US fluid ounces10 fl oz × 0.006505267067 = 0.06505267067 gal (UK)
20 US fluid ounces20 fl oz × 0.006505267067 = 0.1301053413 gal (UK)
100 US fluid ounces100 fl oz × 0.006505267067 = 0.6505267067 gal (UK)

US fluid ounces to imperial gallons conversion table

Values are calculated by the conversion engine and rounded to 8 significant figures.

US fluid ounces to imperial gallons: 0.1–10 fl oz
US fluid ounces (fl oz)	Imperial gallons (gal (UK))
0.1 fl oz	0.00065052671 gal (UK)
0.25 fl oz	0.0016263168 gal (UK)
0.5 fl oz	0.0032526335 gal (UK)
1 fl oz	0.0065052671 gal (UK)
2 fl oz	0.013010534 gal (UK)
3 fl oz	0.019515801 gal (UK)
4 fl oz	0.026021068 gal (UK)
5 fl oz	0.032526335 gal (UK)
6 fl oz	0.039031602 gal (UK)
7 fl oz	0.045536869 gal (UK)
8 fl oz	0.052042137 gal (UK)
9 fl oz	0.058547404 gal (UK)
10 fl oz	0.065052671 gal (UK)

US fluid ounces to imperial gallons: 12–1,000 fl oz
US fluid ounces (fl oz)	Imperial gallons (gal (UK))
12 fl oz	0.078063205 gal (UK)
15 fl oz	0.097579006 gal (UK)
20 fl oz	0.13010534 gal (UK)
25 fl oz	0.16263168 gal (UK)
30 fl oz	0.19515801 gal (UK)
40 fl oz	0.26021068 gal (UK)
50 fl oz	0.32526335 gal (UK)
75 fl oz	0.48789503 gal (UK)
100 fl oz	0.65052671 gal (UK)
250 fl oz	1.6263168 gal (UK)
500 fl oz	3.2526335 gal (UK)
1,000 fl oz	6.5052671 gal (UK)

Converting cups and spoons to grams

Volume and weight are different quantities: a cup of flour weighs about 120 g, a cup of sugar about 198 g and a cup of water about 236 g. To convert cups or spoons to grams for a specific ingredient, use the cups to grams converter — popular: flour, sugar, butter, tablespoons of butter.

About the units

US fluid ounce (fl oz)

One 128th of a US gallon: 29.5735295625 mL. Beverage cans and bottles in the US are labelled in fluid ounces. One US fluid ounce equals 0.00002957352956 cubic meters (m³).

Imperial gallon (gal (UK))

Exactly 4.54609 L, about 1.2 US gallons. Used in the UK for fuel economy (mpg) figures. One imperial gallon equals 0.00454609 cubic meters (m³).

Frequently asked questions

How many imperial gallons are in one US fluid ounce?

There are 0.006505267067 imperial gallons in one US fluid ounce, and this value is exact by definition.

How do I convert US fluid ounces to imperial gallons?

Multiply the number of US fluid ounces by 0.006505267067. For example, 10 fl oz × 0.006505267067 = 0.06505267067 gal (UK).

How many US fluid ounces are in one imperial gallon?

One imperial gallon equals 153.7215905 US fluid ounces. That is the reverse factor, 1 ÷ 0.006505267067.

What is 10 US fluid ounces in imperial gallons?

10 fl oz = 0.06505267067 gal (UK).

Is this fl oz to gal (UK) converter accurate?

Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.