One stick of butter should be 1/4 pound-- American weight.
Now we just have to figure out how many grams are in a quarter pound-- I looked in all my cook books-- I know I have an equivilency table somewhere but I can't find it
2.2lbs per 1kg
I caught on to that one really quick during my days on the wrestling team. Most of us would know our weight in pounds, but we had no idea what it was in kilograms. I was about 72 kg last I checked.