Martin Gregorie wrote:
/snip/
I'm a traditional imprecise chemist by training and have a teaspoon that
says its 5ml, so I'd just use a moderately heaped one and call that 8
grams.



Uh? 5 ml is a volume measurew, and 8 grams are a mass measu the
property that connects those measures is density.

A chemist is just bound to know what material is likely to weigh about a
gram per milliliter, isn't he?

....And what material might way 8 gram for 5 milliliters.... :-)

Brian W