400 imperial gallons in US pints
Result
The conversion result is: 400 imperial gallons is equivalent to 3843.03976161554 US pints.[1]
Conversion formula
How to convert 400 imperial gallons to US pints?
We know (by definition) that: 1 imperialgallon ≈ 9.60759940403884 uspint.
We can set up a proportion to solve for the number of US pints.
1 imperialgallon / 400 imperialgallon ≈ 9.60759940403884 uspint / x uspint
Now, we cross multiply to solve for our unknown x:
x uspint ≈ (400 imperialgallon / 1 imperialgallon) * 9.60759940403884 uspint → x uspint ≈ 3843.039761615536 uspint
Conclusion:
400 imperialgallon ≈ 3843.039761615536 uspint

Conversion in the opposite direction
The inverse of the conversion factor is that 1 US pint is equal to 0.000260210682696559 times 400 imperial gallons.
It can also be expressed as: 400 imperial gallons is equal to 1 / 0.000260210682696559 US pints.
Approximation
An approximate numerical result would be: four hundred imperial gallons is about three thousand, eight hundred and forty-three point zero three US pints, or alternatively, a US pint is about zero times four hundred imperial gallons.
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.