20 imp gal to m³ — 20 Imperial gallons in cubic metres
Exact 20 ÷ 219.969248 = 0.0909218
90 litres 921 millilitres
20 Imperial gallons in other units
| Millilitres | 90,921.8 | mL |
|---|---|---|
| Litres | 90.9218 | L |
| Cubic metres | 0.0909218 | m³ |
| US teaspoons | 18,446.59 | tsp |
| US tablespoons | 6,148.86 | tbsp |
| US fluid ounces | 3,074.43 | US fl oz |
| US cups | 384.303976 | US cup |
| US pints | 192.151988 | US pt |
| US quarts | 96.075994 | US qt |
| US gallons | 24.018999 | US gal |
| Imperial fluid ounces | 3,200 | imp fl oz |
| Imperial pints | 160 | imp pt |
| Cubic feet | 3.210873 | ft³ |
| Cubic inches | 5,548.39 | in³ |
| Oil barrels | 0.57188092 | bbl |
imp gal to m³ at a glance
| Imperial gallons | Cubic metres |
|---|---|
| 1 imp gal | 0.00454609 m³ |
| 2 imp gal | 0.00909218 m³ |
| 3 imp gal | 0.01363827 m³ |
| 5 imp gal | 0.02273045 m³ |
| 10 imp gal | 0.0454609 m³ |
| 20 imp gal | 0.0909218 m³ |
| 25 imp gal | 0.11365225 m³ |
| 50 imp gal | 0.2273045 m³ |
| 100 imp gal | 0.454609 m³ |
| 250 imp gal | 1.136523 m³ |
| 500 imp gal | 2.273045 m³ |
| 1,000 imp gal | 4.54609 m³ |
How to convert Imperial gallons to cubic metres
Multiply by 0.00454609 — one Imperial gallon is 0.00454609 cubic metres. 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 ÷ 219.969248 = 0.0909218
What these units are
The Imperial gallon and the cubic metre are covered in the volume unit guide, along with every other unit on this page.
Questions
How many cubic metres are in a Imperial gallon?
One Imperial gallon is 0.00454609 cubic metres. This figure is exact — it comes from the definition of the unit, not a measurement.
What is 20 Imperial gallons in cubic metres?
20 Imperial gallons is 0.0909218 cubic metres. The working is 20 ÷ 219.969248 = 0.0909218.
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.