1) Select Proptery for units to be converted. 2) In "A" select the unit you want converted. 3) In "Quantity" enter the number of units to be converted. 4) In "B" select the unit to be converted to. 5) In "Result", you will see the conversion. 6) If you change a value, simply "click anywhere on webpage" to get new Result.
eg. 1) Select PropertY: Mass 2) A: Pound mass (lbm) 3) Value: 1 4) B: Kilogram (kgr) 5) RESULT: 0.4535924