The metric system ...

Thanks! Now I need to stomp some grapes and find the wine airlock fermentation vent (bubbler).
 
300Six said:
Entire Metric system is based on the properties of water. Freezing is '0' and boiling is '100' C. 1 cubic mm water = 1 ml = 1 gram. Not really difficult then to perform simple calculations in your head such as: 'how much would this 20 litre (5 gallon for Americans) gas can weigh if I filled it'? True that gas and water are not identical with regards to density but 20 litres water weighs 20 kg. OK that's a bit more than I'd like to walk a mile with under my arm so perhaps I'll only fill it halfway. Try doing that simple math in Imperial. How much does a gallon of water or gasoline weigh? Never learned that in school or even have the ability to hazard an educated guess.
I'm a Canuck that grew up entirely in Imperial and was forced to change-over in the mid-1970s but I have come to see the huge advantage of using Metric for everything. The construction industry in Canada is still Imperial but likely this is an artifact of where most of our products and materials exports go.
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When I was in school, just 10 years ago, we were taught to figure a [US] gallon of liquid weight 8 pounds (for general estimation), so a 5 [US] gal container would weight ~40# full.
 
The important American industries have a gone mostly metric to survive in the global marketplace. I think that pretty much sums it up for me. American cars and high tech, and aerospace and military hardware are now mostly metric, but they let us peasants have feet and inches like ma and pa used to. Anything that needs to be competetive and efficient is metric.
 
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