21 imperial cups in US gallons


Conversion

21 imperial cups is equivalent to 1.57624677722512 US gallons.[1]


Conversion formula
How to convert 21 imperial cups to US gallons?

We know (by definition) that: 1brcup 0.0750593703440534usgallon

We can set up a proportion to solve for the number of US gallons.

1 brcup 21 brcup 0.0750593703440534 usgallon x usgallon

Now, we cross multiply to solve for our unknown x:

x usgallon 21 brcup 1 brcup * 0.0750593703440534 usgallon x usgallon 1.5762467772251214 usgallon

Conclusion: 21 brcup 1.5762467772251214 usgallon


21 imperial cups is equivalent to 1.57624677722512 US gallons

Conversion in the opposite direction

The inverse of the conversion factor is that 1 US gallon is equal to 0.634418426383991 times 21 imperial cups.

It can also be expressed as: 21 imperial cups is equal to 1 0.634418426383991 US gallons.


Approximation

An approximate numerical result would be: twenty-one imperial cups is about one point five eight US gallons, or alternatively, a US gallon is about zero point six three times twenty-one imperial cups.



Footnotes

[1] The precision is 15 significant digits (fourteen digits to the right of the decimal point).

Results may contain small errors due to the use of floating point arithmetic.

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