Imperial gallon to Imperial fluid ounce
Convert Imperial gallon (Imp gal) to Imperial fluid ounce (Imp fl oz). Use an editable volume converter, conversion formula, and reference table.
1 Imp gal = 160 Imp fl oz
Conversion formula
One Imperial gallon equals 160 Imperial fluid ounce. Multiply your value in Imperial gallon by this factor to get Imperial fluid ounce. For the reverse conversion, divide by the same factor.
Worked example
To convert 5 Imperial gallon:5 × 160 = 800 Imp fl oz
Conversion table
| Imperial gallon (Imp gal) | Imperial fluid ounce (Imp fl oz) |
|---|---|
| 0.01 | 1.6 |
| 0.1 | 16 |
| 1 | 160 |
| 2 | 320 |
| 5 | 800 |
| 10 | 1,600 |
| 25 | 4,000 |
| 50 | 8,000 |
| 100 | 16,000 |
| 1000 | 160,000 |
About these measurements
Volume describes three-dimensional space or liquid capacity.
The base reference used here is the liter. One Imperial gallon is 4.54609 base units; one Imperial fluid ounce is 0.0284130625 base units.
Important distinctions
US liquid measures and Imperial measures are different. Dry gallons and recipe cups are excluded.
Precision
The converter uses stored conversion factors and floating-point arithmetic. Results display up to ten significant digits, switching to scientific notation for very small or large values. Keep the precision of your original measurement when reporting results.
Common questions
How do I convert Imp gal to Imp fl oz?
Multiply the quantity in Imp gal by 160. You can also type the value into the converter above.
Can I reverse the conversion?
Yes. Use the swap button or open the Imperial fluid ounce to Imperial gallon converter.
Reference
NIST Guide to the SI — conversion factors and prefix conventions. SI prefixes scale units by powers of ten; the dimension-specific notes above describe the assumptions used on this page.
