Quote Originally Posted by Oneironaut
That would be complicated, and it probably wouldn't work since it takes a lot of context to figure out some things (whether someone is using Celsius or Fahrenheit, whether "pounds" means the weight or the British currency, whether a "dollar" is American, Canadian or Australian, etc.). Just use Google for your metric system conversions and www.xe.com for currency conversions.
Pretty much... to complicated.

besides, it's the internet.. you can find those conversions at the drop of a hat like One said.