On Sat, 22 May 2004 21:39:09 +0000 (UTC), Tony Walton
> wrote:

>Depends what sort of gallon. A US gallon is 3.785-ish litres, a UK
>(Imperial) gallon is 4.546-ish litres.
>
>It comes from the differing pints. A US pint is 16 fluid ounces (so a
>US pint of water weighs 1lb),

Just a little over. I US gallon of water weighs 8.345 lbs, so 1 US
pint weighs 1.04 lbs. It comes from having 1 measurement system apply
to both volume and weight. Dumb.