>Reading about this its interesting how things can have a different meaning.
>
>So a UK hundredweight is 122 lbs or 8 stone and a us hundredweight is 100lbs
>
>20 hundredweight in a ton so a US ton is 2000 lb and a uk ton is 2240 lb
>
>Can't imagine thats ever caused confusion:-)

I just love the US prefernce for nice round numbers. Like rounding the inch to be easier to convert from/to metric units, to exactly 25,40000 mm. The Germans, OTOH, went rough and made their Zoll 25mm, and Pfund 500g. No wonder they had so many problems with that.