Dear Gene, I agree with you and I suspect that this is how the oil people actually measure quantities of oil. After all it is so easy to do using the Plimsoll line in ships or running a road tanker over a weigh bridge. This also allows for the differences in the density of crude oil.

I recall an urban legend about buying petrol (in litres) in the mornings before it expanded due to the rising temperature each day.

Cheers,

Pat Naughtin
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On 2010/06/11, at 05:13 , <[email protected]> <[email protected]> wrote:


For incompressible fluids e.g. oil (and even for methane) kilograms or metric tons of mass are easier to visualize and would be better than any unit of volume, and kg/s is best for rate of flow, liquid or gas.

---- Original message ----
Date: Thu, 10 Jun 2010 09:23:44 -0700 (PDT)
From: "John M. Steele" <[email protected]>
Subject: [USMA:47649] Re: Oil Spill Technical Team Using SI
To: "U.S. Metric Association" <[email protected]>

 I can envision 1 L or a few, I can't envision 3
 million.  Would not 3000 m³ be a lot better than
 throwing in "big counting words" in lieu of a
 suitable unit or prefix?

 I will probably take flack for this one, but SAE
 metric practice is to use the cubic dekameter for
 large amounts of water, such as irrigation, where
 traditional measure would be the acre-foot.  In that
 notation, the leak would be 3 dam³/day.
...



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