1 gal (UK) = 153.72174412903 fl oz
1 Imperial gallon (gal (UK)) = 153.72174412903 US fluid ounce (fl oz).
If you want to reverse convert, use US fluid ounce → Imperial gallon. 1 fl oz = 0.0065052605645731 gal (UK). You can also explore the full Volume converter page for more cross conversions.
Conversion formula
Imperial gallon to US fluid ounce formula: value in fl oz = value in gal (UK) × 153.72174412903.
US fluid ounce to Imperial gallon formula: value in gal (UK) = value in fl oz × 0.0065052605645731.
How to convert Imperial gallon to US fluid ounce
To convert Imperial gallon to US fluid ounce, multiply the value in gal (UK) by 153.72174412903. This gives the result in fl oz.
For example, 1 gal (UK) = 153.72174412903 fl oz and 10 gal (UK) = 1537.2174412903 fl oz.
What is Imperial gallon?
Imperial gallon (gal (UK)): The imperial gallon. It has a larger volume than the similarly named US gallon. 1 gal (UK) = 4.54609 L.
What is US fluid ounce?
US fluid ounce (fl oz): The US fluid ounce measures volume. It is not the mass ounce or the imperial fluid ounce. 1 fl oz ≈ 29.5735 mL.
FAQ
How many us fluid ounce are in 1 imperial gallon?
There are 153.72174412903 fl oz in 1 gal (UK).
Why can conversion results differ slightly?
Check the unit definition and rounding. US and imperial measures can differ; rounding intermediate values can also change the final digits.
How do I convert imperial gallon to us fluid ounce?
Multiply the value in gal (UK) by 153.72174412903 to get the value in fl oz.
Imperial gallon → other Volume units
- 1 imperial gallon → cubic meter = 0.00454609 cubic meter
- 1 imperial gallon → cubic centimeter = 4546.09 cubic centimeter
- 1 imperial gallon = 4546090 cubic millimeter
- 1 imperial gallon → hectoliter = 0.0454609 hectoliter
- 1 imperial gallon → liter = 4.54609 liter
- 1 imperial gallon → deciliter = 45.4609 deciliter
- 1 imperial gallon → centiliter = 454.609 centiliter
- 1 imperial gallon → milliliter = 4546.09 milliliter
- 1 imperial gallon → cubic feet = 0.16054365319054 cubic feet
- 1 imperial gallon → cubic inch = 277.41943279162 cubic inch
- 1 imperial gallon → cubic yard = 0.0059460612308345 cubic yard
- 1 imperial gallon → us liquid pint = 9.6076090080647 us liquid pint
- 1 imperial gallon → us gallon = 1.2009504914923 us gallon
- 1 imperial gallon → us teaspoon = 922.3335835582 us teaspoon
- 1 imperial gallon → us tablespoon = 307.43829039021 us tablespoon
- 1 imperial gallon → us customary cup = 19.215218016129 us customary cup
- 1 imperial gallon → us liquid quart = 4.803799427909 us liquid quart
- 1 imperial gallon → us fluid ounce = 153.72174412903 us fluid ounce
Imperial gallon → US fluid ounce Table
The table below shows common values from Imperial gallon to US fluid ounce and the reverse direction for quick reference.
| gal (UK) | fl oz | Rounded |
|---|---|---|
| 1 gal (UK) | 153.72174412903 fl oz | 153.7217 |
| 2 gal (UK) | 307.44348825807 fl oz | 307.4435 |
| 3 gal (UK) | 461.1652323871 fl oz | 461.1652 |
| 4 gal (UK) | 614.88697651614 fl oz | 614.8870 |
| 5 gal (UK) | 768.60872064517 fl oz | 768.6087 |
| 10 gal (UK) | 1537.2174412903 fl oz | 1537.2174 |
| 12 gal (UK) | 1844.6609295484 fl oz | 1844.6609 |
| 15 gal (UK) | 2305.8261619355 fl oz | 2305.8262 |
| 20 gal (UK) | 3074.4348825807 fl oz | 3074.4349 |
| 25 gal (UK) | 3843.0436032259 fl oz | 3843.0436 |
| 30 gal (UK) | 4611.652323871 fl oz | 4611.6523 |
| 40 gal (UK) | 6148.8697651614 fl oz | 6148.8698 |
| 50 gal (UK) | 7686.0872064517 fl oz | 7686.0872 |
| 75 gal (UK) | 11529.130809678 fl oz | 11529.1308 |
| 100 gal (UK) | 15372.174412903 fl oz | 15372.1744 |
| 200 gal (UK) | 30744.348825807 fl oz | 30744.3488 |
| 250 gal (UK) | 38430.436032259 fl oz | 38430.4360 |
| 500 gal (UK) | 76860.872064517 fl oz | 76860.8721 |
| 750 gal (UK) | 115291.30809678 fl oz | 115291.3081 |
| 1000 gal (UK) | 153721.74412903 fl oz | 153721.7441 |
| 2500 gal (UK) | 384304.36032259 fl oz | 384304.3603 |
| 5000 gal (UK) | 768608.72064517 fl oz | 768608.7206 |
| 10000 gal (UK) | 1537217.4412903 fl oz | 1537217.4413 |
US fluid ounce → Imperial gallon Table
| fl oz | gal (UK) | Rounded |
|---|---|---|
| 1 fl oz | 0.0065052605645731 gal (UK) | 0.0065 |
| 2 fl oz | 0.013010521129146 gal (UK) | 0.0130 |
| 3 fl oz | 0.019515781693719 gal (UK) | 0.0195 |
| 4 fl oz | 0.026021042258292 gal (UK) | 0.0260 |
| 5 fl oz | 0.032526302822865 gal (UK) | 0.0325 |
| 10 fl oz | 0.065052605645731 gal (UK) | 0.0651 |
| 12 fl oz | 0.078063126774877 gal (UK) | 0.0781 |
| 15 fl oz | 0.097578908468596 gal (UK) | 0.0976 |
| 20 fl oz | 0.13010521129146 gal (UK) | 0.1301 |
| 25 fl oz | 0.16263151411433 gal (UK) | 0.1626 |
| 30 fl oz | 0.19515781693719 gal (UK) | 0.1952 |
| 40 fl oz | 0.26021042258292 gal (UK) | 0.2602 |
| 50 fl oz | 0.32526302822865 gal (UK) | 0.3253 |
| 75 fl oz | 0.48789454234298 gal (UK) | 0.4879 |
| 100 fl oz | 0.65052605645731 gal (UK) | 0.6505 |
| 200 fl oz | 1.3010521129146 gal (UK) | 1.3011 |
| 250 fl oz | 1.6263151411433 gal (UK) | 1.6263 |
| 500 fl oz | 3.2526302822865 gal (UK) | 3.2526 |
| 750 fl oz | 4.8789454234298 gal (UK) | 4.8789 |
| 1000 fl oz | 6.5052605645731 gal (UK) | 6.5053 |
| 2500 fl oz | 16.263151411433 gal (UK) | 16.2632 |
| 5000 fl oz | 32.526302822865 gal (UK) | 32.5263 |
| 10000 fl oz | 65.052605645731 gal (UK) | 65.0526 |
US fluid ounce → Imperial gallon
The reverse value is 1 fl oz = 0.0065052605645731 gal (UK).