780 imperial gallons in liters
Result
The conversion result is: 780 imperial gallons is equivalent to 3545.9502 liters.[1]
Conversion formula
How to convert 780 imperial gallons to liters?
We know (by definition) that: 1 imperialgallon ≈ 4.54609 liter.
We can set up a proportion to solve for the number of liters.
1 imperialgallon / 780 imperialgallon ≈ 4.54609 liter / x liter
Now, we cross multiply to solve for our unknown x:
x liter ≈ (780 imperialgallon / 1 imperialgallon) * 4.54609 liter → x liter ≈ 3545.9502 liter
Conclusion:
780 imperialgallon ≈ 3545.9502 liter

Conversion in the opposite direction
The inverse of the conversion factor is that 1 liter is equal to 0.000282011856793702 times 780 imperial gallons.
It can also be expressed as: 780 imperial gallons is equal to 1 / 0.000282011856793702 liters.
Approximation
An approximate numerical result would be: seven hundred and eighty imperial gallons is about three thousand, five hundred and forty-five point nine four liters, or alternatively, a liter is about zero times seven hundred and eighty 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.