Convert US Fluid Ounces to Imperial Gallons

This converter allows you to quickly convert us fluid ounces (fl oz) into imperial gallons (gal). Simply enter a value, choose your units, and get an instant, accurate result.

US Fluid Ounce to Imperial Gallon Conversion Table

US Fluid Ounce (fl oz)Imperial Gallon (gal)
10.006505
20.013011
50.032526
100.065053
200.130105
500.325263
1000.650527
2001.301053
5003.252634
10006.505267
200013.010534
500032.526335
1000065.052671
20000130.105341
50000325.263353
100000650.526707
2000001,301.053413
5000003,252.633534
10000006,505.267067
200000013,010.534135

How to convert US Fluid Ounces to Imperial Gallons?

To convert us fluid ounces to imperial gallons, multiply by the conversion factor:

Imperial Gallons=US Fluid Ounces×0.006505267067413975

Example: Convert 10 US Fluid Ounces to Imperial Gallons

10×0.006505267067413975=0.06505267067413975 Imperial Gallons

Frequently asked questions

How many imperial gallons are in 1 us fluid ounce?
1 US Fluid Ounce (fl oz) equals 0.00650527 imperial gallons (gal).
How many us fluid ounces are in 1 imperial gallon?
1 Imperial Gallon (gal) equals 153.722 us fluid ounces (fl oz).
How do I convert imperial gallons back to us fluid ounces?
Use the swap button above to flip the converter, or type a value directly into the "Imperial Gallon" field — this page converts in both directions instantly as you type, with no submit button needed.
Which is larger, us fluid ounce or imperial gallon?
1 Imperial Gallon is larger — it takes 153.722 us fluid ounces to equal 1 imperial gallon.