250 in³ to US gal — 250 cubic inches in US gallons
Exact 250 ÷ 231 = 1.082251
4 litres 96 millilitres
250 cubic inches in other units
| Millilitres | 4,096.77 | mL |
|---|---|---|
| Litres | 4.096766 | L |
| Cubic metres | 0.004096766 | m³ |
| US teaspoons | 831.168831 | tsp |
| US tablespoons | 277.056277 | tbsp |
| US fluid ounces | 138.528139 | US fl oz |
| US cups | 17.316017 | US cup |
| US pints | 8.658009 | US pt |
| US quarts | 4.329004 | US qt |
| US gallons | 1.082251 | US gal |
| Imperial fluid ounces | 144.186006 | imp fl oz |
| Imperial pints | 7.2093 | imp pt |
| Imperial gallons | 0.90116254 | imp gal |
| Cubic feet | 0.14467593 | ft³ |
| Oil barrels | 0.02576788 | bbl |
in³ to US gal at a glance
| Cubic inches | US gallons |
|---|---|
| 1 in³ | 0.004329004329 US gal |
| 2 in³ | 0.008658008658 US gal |
| 3 in³ | 0.01298701 US gal |
| 5 in³ | 0.02164502 US gal |
| 10 in³ | 0.04329004 US gal |
| 20 in³ | 0.08658009 US gal |
| 25 in³ | 0.10822511 US gal |
| 50 in³ | 0.21645022 US gal |
| 100 in³ | 0.43290043 US gal |
| 250 in³ | 1.082251 US gal |
| 500 in³ | 2.164502 US gal |
| 1,000 in³ | 4.329004 US gal |
How to convert cubic inches to US gallons
Multiply by 0.004329004329 — one cubic inch is 0.004329004329 US 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 250 ÷ 231 = 1.082251
In words: about one US gallons.
What these units are
The cubic inch and the US gallon are covered in the volume unit guide, along with every other unit on this page.
Questions
How many US gallons are in a cubic inch?
One cubic inch is 0.004329004329 US gallons. This figure is exact — it comes from the definition of the unit, not a measurement.
What is 250 cubic inches in US gallons?
250 cubic inches is 1.082251 US gallons. The working is 250 ÷ 231 = 1.082251.
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.