Volume
fl oz (US)togal (UK)
Convert US fluid ounces (fl oz (US)) to imperial gallons (gal (UK)).
Factor1 fl oz (US) = 0.006505267 gal (UK)
Converter
fl oz (US)
Accepts numbers or expressions, e.g. 150 + 14.7
Result
gal (UK)
Rendered to 6 significant figures.
Formula
Formula
gal (UK) = fl oz (US) × 0.006505267
Multiply any value in US fluid ounces by 0.006505267 to obtain the value in imperial gallons.
Worked example
Convert 160 fl oz (US) to gal (UK).
- 01Start with 160 fl oz (US).
- 02Multiply by the conversion factor: 160 × 0.006505267 = 1.04084 gal (UK).
Result160 fl oz (US) = 1.04084 gal (UK)
Conversion table
| fl oz (US) | gal (UK) |
|---|---|
| 1 | 0.0065053 |
| 2 | 0.013011 |
| 5 | 0.032526 |
| 10 | 0.065053 |
| 20 | 0.13011 |
| 50 | 0.32526 |
| 100 | 0.65053 |
| 200 | 1.3011 |
| 500 | 3.2526 |
| 1000 | 6.5053 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from fl oz (US) to gal (UK)?
1 fl oz (US) equals 0.006505267 gal (UK). To convert, multiply the value in US fluid ounces by 0.006505267.
How do I convert 1 fl oz (US) to gal (UK)?
1 fl oz (US) = 0.00650527 gal (UK). For any value, multiply by 0.006505267.
How do I convert gal (UK) back to fl oz (US)?
Divide by the same factor — or equivalently, multiply by 153.7216. So 1 gal (UK) = 153.722 fl oz (US).
When would I need to convert US fluid ounce to imperial gallon?
Volume conversions are used for tank sizing, batch calculations, and bridging between vendor specs (gallons, barrels, ft³) and process documentation (m³, litres).
Is the conversion exact?
The factor shown is precise to at least 7 significant figures. For most process-engineering work this is far better than instrument accuracy. For metrology or trade applications, refer to the relevant national standard (NIST, BIPM, ISO 80000).