Convert volume units — liters, gallons, cups, milliliters, cubic meters, pints, quarts.
| Unit | Name | Value |
|---|---|---|
| L | Liter | 0.0295735 |
| mL | Milliliter | 29.5735 |
| m³ | Cubic Meter | 0.0000295735 |
| gal(US) | US Gallon | 0.0078124959 |
| gal(UK) | UK Gallon | 0.0065052606 |
| qt | US Quart | 0.031249967 |
| pt | US Pint | 0.0625 |
| cup | US Cup | 0.125 |
Common fluid ounce values converted to uk gallon — factor: 1 fl oz = 0.006505 gal(UK)
| Fluid Ounce (fl oz) | UK Gallon (gal(UK)) | Context |
|---|---|---|
| 0.5 fl oz | 0.003253 gal(UK) | Half ounce |
| 1 fl oz | 0.006505 gal(UK) | Shot |
| 2 fl oz | 0.01301 gal(UK) | Double shot |
| 4 fl oz | 0.02602 gal(UK) | Half cup |
| 6 fl oz | 0.03903 gal(UK) | One cup |
| 8 fl oz | 0.05204 gal(UK) | One cup |
| 12 fl oz | 0.07806 gal(UK) | Soda can |
| 16 fl oz | 0.1041 gal(UK) | One pint |
| 20 fl oz | 0.1301 gal(UK) | Large cup |
| 32 fl oz | 0.2082 gal(UK) | One quart |
| 64 fl oz | 0.4163 gal(UK) | Half gallon |
| 128 fl oz | 0.8327 gal(UK) | One gallon |
| 256 fl oz | 1.665 gal(UK) | 2 gallons |
| 512 fl oz | 3.331 gal(UK) | 4 gallons |
| 1,024 fl oz | 6.661 gal(UK) | 8 gallons |
Converting fluid ounce to uk gallon comes up frequently in cooking, chemistry, medicine, and engineering. A recipe written in metric units may need to be adapted for a kitchen using uk gallon, or a laboratory protocol may specify volumes in fluid ounce that need to be measured with equipment calibrated in uk gallon.
In everyday use, knowing that 5 fl oz = 0.03253 gal(UK) and 10 fl oz = 0.06505 gal(UK) covers most common situations. For bulk calculations, 100 fl oz = 0.6505 gal(UK) is a useful anchor. The reverse conversion — uk gallon back to fluid ounce — uses the factor 153.7, so 1 gal(UK) = 153.7 fl oz.
All conversions use the internationally recognized factor of exactly 1 fl oz = 0.006505 gal(UK). Calculations are performed in IEEE 754 double-precision floating point, giving accuracy to at least 8 significant figures — more than sufficient for any practical application.
Formula: UK Gallon = Fluid Ounce × 0.0065052606
Multiply any fluid ounce value by 0.0065052606 to get uk gallon. One fluid ounce equals 0.0065052606 gal(UK).
Reverse: Fluid Ounce = UK Gallon × 153.72174
1 fl oz = 0.0065052606 gal(UK). Memorize this for instant mental estimates.
Use 0.0065 as a quick mental factor. Multiply your fluid ounces value by this to estimate UK gallons.
To verify: multiply your result by 153.72174 to recover the original fl oz value.
Labels product nutrition facts and serving sizes in fluid ounces as required by FDA.
Measures spirit pours and mixers in fl oz using jiggers for cocktail consistency.
Tracks soda fountain syrup and cup sizes (12, 16, 20, 32 fl oz) for inventory.
Designs bottle fill levels in fluid ounces for US retail compliance.
Recommends daily fluid intake for children in fluid ounces by age group.
Compares unit prices per fluid ounce on beverage labels to find the best value.
The US fluid ounce is defined as 1/128 of a US gallon, exactly 29.5735 mL. The US and UK fl oz differ: the US is 29.57 mL while the Imperial fl oz is 28.41 mL.
Fluid ounces appear on every US beverage container: a soda can is 12 fl oz, a water bottle is 16.9 fl oz, and a US shot glass is 1.5 fl oz.
Interesting fact: Despite sharing the name 'ounce', the fluid ounce measures volume, not weight. One fl oz of water weighs about 1.04 oz, but one fl oz of honey weighs about 1.5 oz.
The Imperial gallon was defined by the British Weights and Measures Act of 1824 as the volume of ten pounds of water at 62°F, later fixed to exactly 4.54609 liters in 1985.
UK gallons are still used in Britain for fuel pricing. Road signs show consumption in miles per Imperial gallon, making UK cars appear more fuel-efficient than identical US models.
Interesting fact: 1 Imperial gallon = 1.20095 US gallons. Confusing the two has caused real-world errors in cross-border fuel cost calculations.