On Mon, 06 Jan 2014 20:56:36 +0000, Pete C wrote:

Yep, for me, pot diameter tells me what I want to know. 2lt is,
erm......oh I dunno!

Inclined to agree pot top diameter is easier to picture with ones
minds eye. I was going to add that is that "2 l pot" short and wide
or tall and thin but that argument could be used against just pot
diameter as well.

Quote everything? "15 cm (6") 2 l pot" B-)

--
Cheers
Dave.