Convert Fluid Ounce (UK) to imperial gallons
Western Europe · Cooking Measures · active · modern
Conventional value The unit is customary but its modern value is settled and widely cited; the arithmetic itself is exact.
1 Fluid Ounce (UK) = 0.00625001 imperial gallons
imperial gallons = Fluid Ounce (UK) × 0.0062500082
Convert any amount
Fluid Ounce (UK) to imperial gallons table
| Fluid Ounce (UK) | imperial gallons |
|---|---|
| 0.25 Fluid Ounce (UK) | 0.0015625 imperial gallons |
| 0.5 Fluid Ounce (UK) | 0.003125 imperial gallons |
| 1 Fluid Ounce (UK) | 0.00625001 imperial gallons |
| 2 Fluid Ounce (UK) | 0.0125 imperial gallons |
| 3 Fluid Ounce (UK) | 0.01875 imperial gallons |
| 4 Fluid Ounce (UK) | 0.025 imperial gallons |
| 5 Fluid Ounce (UK) | 0.03125 imperial gallons |
| 10 Fluid Ounce (UK) | 0.0625001 imperial gallons |
| 20 Fluid Ounce (UK) | 0.125 imperial gallons |
| 25 Fluid Ounce (UK) | 0.15625 imperial gallons |
| 50 Fluid Ounce (UK) | 0.3125 imperial gallons |
| 100 Fluid Ounce (UK) | 0.625001 imperial gallons |
About the Fluid Ounce (UK)
UK fl oz = 28.41ml. Slightly smaller than US.
- Symbol
- fl oz UK
- Value in SI
- 1 Fluid Ounce (UK) = 0.0284131 litre
- Typical use
- cooking
- Source
- UnitConvertLab measurement atlas
Every atlas conversion routes through the SI litre. See our methodology and data provenance pages for how these values are sourced and verified.
Related units and variant risk
Other cooking measures units in the Western Europe family, least settled first. If your figure came from a land record, invoice or historical document rather than a calculator, check these before assuming a single standard.
- Gill (UK) to imperial gallonsHistorically reconstructed
- Teaspoon (Metric) to imperial gallonsConventional value
- Tablespoon (Metric) to imperial gallonsConventional value
- Cup (UK/Imperial) to imperial gallonsConventional value
- Cup (Metric) to imperial gallonsConventional value
- Gallon (UK) to imperial gallonsConventional value
- Gallon (US) to imperial gallonsConventional value
- Pint (UK) to imperial gallonsConventional value
Related conversions
Frequently asked
How many imperial gallons are in a Fluid Ounce (UK)?
1 Fluid Ounce (UK) = 0.00625001 imperial gallons. Multiply the number of Fluid Ounce (UK) by 0.0062500082 to get imperial gallons.
What is Fluid Ounce (UK) used for?
UK fl oz = 28.41ml. Slightly smaller than US. It is classified as active and dates from the modern period.
Is the Fluid Ounce (UK) value exact?
Yes for practical purposes. UnitConvertLab converts every atlas unit through the SI litre, so the arithmetic itself introduces no rounding beyond the digits shown.
How reliable is this Fluid Ounce (UK) conversion?
Conventional value — The unit is customary but its modern value is settled and widely cited; the arithmetic itself is exact. Source: UnitConvertLab measurement atlas.
Cite this page
UnitConvertLab. (2026). Convert Fluid Ounce (UK) to imperial gallons. UnitConvertLab. Retrieved from https://unitconvertlab.com/regional/fl-oz-uk-to-imperial-gallon
Report an incorrect value or source
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