In article >, "George B.
Ross" > wrote:

> Speaking as an engineer, I'd argue that engineers and artists
> should be lumped into the same category.
>
> Scientist is probably a better word for what you are describing.
> Engineers like to approximate things and scientists like to know
> the answer to the 4th decimal place.
<snip rest>

Glass half empty or glass half full?
To the engineer the glass is twice as big as it needs to be.

To answer the question a bit:
for pretty much all liquids, ignore densities and 1pint =1pound.
(Unless the recipe calls for mercury)
A #10 can is for all intents and purposes, a gallon.

monroe(got no PE stamp)