None, the units are incompatible
A Liter is a measure of volume; a bar is a measure of pressure - your question is like asking how much does a foot weigh.
I'm looking for the same answer. Up to now my guess is that as 1 m3 of natural gas weighs 0.714 Kg, the weight wont change when compressed?
1 liter
2
10,000
how many cups of water in a liter
It doesn't really matter what you use.
0.47 liter
0.4 liter
0.001m3 = 1 liter
1000 ml
1750 liter