21 imperial pints in imperial gallons
Result
The conversion result is: 21 imperial pints is equivalent to 2.625 imperial gallons.[1]
Conversion formula
How to convert 21 imperial pints to imperial gallons?
We know (by definition) that: 1 imperialpint ≈ 0.125 imperialgallon.
We can set up a proportion to solve for the number of imperial gallons.
1 imperialpint / 21 imperialpint ≈ 0.125 imperialgallon / x imperialgallon
Now, we cross multiply to solve for our unknown x:
x imperialgallon ≈ (21 imperialpint / 1 imperialpint) * 0.125 imperialgallon → x imperialgallon ≈ 2.625 imperialgallon
Conclusion:
21 imperialpint ≈ 2.625 imperialgallon
Conversion in the opposite direction
The inverse of the conversion factor is that 1 imperial gallon is equal to 0.380952380952381 times 21 imperial pints.
It can also be expressed as: 21 imperial pints is equal to 1 / 0.380952380952381 imperial gallons.
Approximation
An approximate numerical result would be: twenty-one imperial pints is about two point six two imperial gallons, or alternatively, a imperial gallon is about zero point three eight times twenty-one imperial pints.
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.