21 imperial pints in US gallons

Result

The conversion result is: 21 imperial pints is equivalent to 3.15249355445024 US gallons.[1]

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

We know (by definition) that: 1 imperialpint ≈ 0.150118740688107 usgallon.

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

1 imperialpint / 21 imperialpint ≈ 0.150118740688107 usgallon / x usgallon

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

x usgallon ≈ (21 imperialpint / 1 imperialpint) * 0.150118740688107 usgallon → x usgallon ≈ 3.152493554450247 usgallon

Conclusion:

21 imperialpint ≈ 3.152493554450247 usgallon

Conversion in the opposite direction

The inverse of the conversion factor is that 1 US gallon is equal to 0.317209213191996 times 21 imperial pints.

It can also be expressed as: 21 imperial pints is equal to 1 / 0.317209213191996 US gallons.

Approximation

An approximate numerical result would be: twenty-one imperial pints is about three point one four US gallons, or alternatively, a US gallon is about zero point three two 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.