Fluid Ounce (US) to Gallon (UK) Converter
Volume · unit-converter
Convert Fluid Ounce (US) to Gallon (UK) with a fixed input and output unit, step-by-step formula line, and reference tables. All calculations use liter-based factors (US fluid measures, imperial UK units, SI cubic meters).
Calculator
From: Fluid Ounce (US) (floz)
To: Gallon (UK) (ukgal)
About Fluid Ounce (US)
The US fluid ounce is 1/128 of a US gallon (about 29.5735 ml). US nutrition labels and recipes use fluid ounces for liquids.
About Gallon (UK)
The UK imperial gallon is defined as approximately 4.54609 liters. It is larger than the US liquid gallon and is used for fuel and drinks labeling in the UK.
How to convert fluid ounces (us) to gallons (uk)
1 fluid ounce (us) is equal to 0.00650526706741 gallon (uk):
1 floz = (0.0295735295625 L ÷ 4.54609 L) ukgal = 0.00650526706741 ukgal
Each fluid ounce (us) is defined as 0.0295735295625 L and each gallon (uk) as 4.54609 L, so one floz equals 0.0295735295625 ÷ 4.54609 ukgal = 0.00650526706741 ukgal.
Let V(floz) be the numeric value of the same volume measured in Fluid Ounce (US) (floz), and V(ukgal) the value in Gallon (UK) (ukgal). Then:
V(ukgal) = V(floz) × (0.0295735295625 / 4.54609)
Equivalently, divide by how many floz fit into one ukgal (liters per ukgal divided by liters per floz):
V(ukgal) = V(floz) ÷ 153.72159046462144
Or: gallon (uk) = fluid ounce (us) ÷ 153.72159046462144
Examples
Example #1: Convert 20 floz to gallon (uk)
20 floz = 20 floz × (0.0295735295625/4.54609) ukgal = 0.1301053413 ukgal
20 floz = 20 floz ÷ 153.72159046462144 = 0.1301053413 ukgal
Example #2: Convert 50 floz to gallon (uk)
50 floz = 50 floz × (0.0295735295625/4.54609) ukgal = 0.3252633534 ukgal
50 floz = 50 floz ÷ 153.72159046462144 = 0.3252633534 ukgal
Summary
To convert Fluid Ounce (US) to Gallon (UK), multiply the value in floz by the ratio of liters per floz divided by liters per ukgal. Equivalently: value_ukgal = value_floz × (0.0295735295625 / 4.54609). Numerically, 1 floz equals 0.006505267067413975 ukgal.
Relationship context
You are converting between US customary fluid / volume (Fluid Ounces (US)) and UK imperial fluid / volume (Gallons (UK)). US and UK fluid measures differ (gallons, ounces, tablespoons); metric liters and cubic meters align with SI. The numeric factor used here is 6.505267e-3.
Conversion tables
| Fluid Ounce (US) (floz) | Gallon (UK) (ukgal) |
|---|---|
| 0.1 | 0.0006505267 |
| 1 | 0.0065052671 |
| 2 | 0.0130105341 |
| 3 | 0.0195158012 |
| 4 | 0.0260210683 |
| 5 | 0.0325263353 |
| 6 | 0.0390316024 |
| 7 | 0.0455368695 |
| 8 | 0.0520421365 |
| 9 | 0.0585474036 |
| Fluid Ounce (US) (floz) | Gallon (UK) (ukgal) |
|---|---|
| 10 | 0.0650526707 |
| 20 | 0.1301053413 |
| 30 | 0.195158012 |
| 40 | 0.2602106827 |
| 50 | 0.3252633534 |
| 60 | 0.390316024 |
| 70 | 0.4553686947 |
| 80 | 0.5204213654 |
| 90 | 0.5854740361 |
| 100 | 0.6505267067 |