"It takes up about 1/600th the volume of natural gas in the gaseous state" [1] So 600% by your calculation; 6 days? [1] https://en.wikipedia.org/wiki/Liquefie

"It takes up about 1/600th the volume of natural gas in the gaseous state" [1] So 600% by your calculation; 6 days? [1] https://en.wikipedia.org/wiki/Liquefied_natural_gas https://en.wikipedia.org/wiki/Liquefied_natural_gas edit: darn singlow beat me to it :)