Google Web Search Features holds a function that is hidden yet wonderful. Convert metric to US .. easy ... type "45 kilograms in pounds" into google's search form and get the answer.
Neat. Very useful for calculations too. To Do a BMI, for example .. WT (lbs) / height (inches) squared * 703. So mine is 165 (yes, I need to exercise more) / 70 * 70 *(703) = Google calulates Jacob Reider's BMI.