20 US gal to imp gal — 20 US gallons in Imperial gallons
Exact 20 ÷ 1.20095 = 16.653484
75 litres 708 millilitres
20 US gallons in other units
| Millilitres | 75,708.24 | mL |
|---|---|---|
| Litres | 75.708236 | L |
| Cubic metres | 0.07570824 | m³ |
| US teaspoons | 15,360 | tsp |
| US tablespoons | 5,120 | tbsp |
| US fluid ounces | 2,560 | US fl oz |
| US cups | 320 | US cup |
| US pints | 160 | US pt |
| US quarts | 80 | US qt |
| Imperial fluid ounces | 2,664.56 | imp fl oz |
| Imperial pints | 133.22787 | imp pt |
| Imperial gallons | 16.653484 | imp gal |
| Cubic feet | 2.673611 | ft³ |
| Cubic inches | 4,620 | in³ |
| Oil barrels | 0.47619048 | bbl |
US gal to imp gal at a glance
| US gallons | Imperial gallons |
|---|---|
| 1 US gal | 0.83267418 imp gal |
| 2 US gal | 1.665348 imp gal |
| 3 US gal | 2.498023 imp gal |
| 5 US gal | 4.163371 imp gal |
| 10 US gal | 8.326742 imp gal |
| 20 US gal | 16.653484 imp gal |
| 25 US gal | 20.816855 imp gal |
| 50 US gal | 41.633709 imp gal |
| 100 US gal | 83.267418 imp gal |
| 250 US gal | 208.168546 imp gal |
| 500 US gal | 416.337092 imp gal |
| 1,000 US gal | 832.674185 imp gal |
How to convert US gallons to Imperial gallons
Multiply by 0.83267418 — one US gallon is 0.83267418 Imperial gallons. That factor is exact: it comes from the definition of the units rather than from a measurement, so it will not change and does not need rounding.
Working 20 ÷ 1.20095 = 16.653484
In words: about seventeen Imperial gallons.
What these units are
The US gallon and the Imperial gallon are covered in the volume unit guide, along with every other unit on this page.
Questions
How many Imperial gallons are in a US gallon?
One US gallon is 0.83267418 Imperial gallons. This figure is exact — it comes from the definition of the unit, not a measurement.
What is 20 US gallons in Imperial gallons?
20 US gallons is 16.653484 Imperial gallons. The working is 20 ÷ 1.20095 = 16.653484.
Is a gallon the same in the US and the UK?
No. A US gallon is 3.785411784 litres; an Imperial gallon is 4.54609 litres. The Imperial one is about 20% larger, which is why US and UK fuel economy figures for the same car look different.
Which pint does a recipe mean?
Follow the recipe's origin. A US pint is 16 US fluid ounces, roughly 473 mL. An Imperial pint is 20 Imperial fluid ounces, roughly 568 mL. A British pint of milk is noticeably more than an American one.
Can I convert litres to kilograms here?
Not directly — that depends on what you are measuring. Volume becomes mass only once you know the density. Water is the convenient case: one litre is almost exactly one kilogram. Oil, flour and alcohol are all lighter.
Why is a US cup not 250 mL?
The US legal cup is 240 mL and the customary cup used in recipes is about 236.6 mL. The round 250 mL cup is the Australian and metric standard. In baking the gap is enough to notice.