>>Or the fact that a UK pint is 20 ounces but a US pint is 16 ounces :)
>
>If only there were some standardized system of measurement that could be used worldwide so everyone would use the same units and values. ;)

What can be more standard than a stone? A stone is a stone everywhere. You pick one off the ground and you know, with complete conviction, that you hold exactly one stone in your hand.