645 imperial gallons in liters
Result
The conversion result is: 645 imperial gallons is equivalent to 2932.22805 liters.[1]
Conversion formula
How to convert 645 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 / 645 imperialgallon ≈ 4.54609 liter / x liter
Now, we cross multiply to solve for our unknown x:
x liter ≈ (645 imperialgallon / 1 imperialgallon) * 4.54609 liter → x liter ≈ 2932.22805 liter
Conclusion:
645 imperialgallon ≈ 2932.22805 liter

Conversion in the opposite direction
The inverse of the conversion factor is that 1 liter is equal to 0.000341037594262152 times 645 imperial gallons.
It can also be expressed as: 645 imperial gallons is equal to 1 / 0.000341037594262152 liters.
Approximation
An approximate numerical result would be: six hundred and forty-five imperial gallons is about two thousand, nine hundred and thirty-two point two three liters, or alternatively, a liter is about zero times six hundred and forty-five 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.