Quick Unit Conversions.  The Unit Converter lets you work out calculations for standard conversions. Suppose you want to find out the fuel economy of an engine in miles per gallon but you only have the performance figures for kilometers per liter. The unit converter will give you an instant answer. Choosing the units to convert to and from and the value to convert, simply clicking the Convert button gives an instant answer. In our example, 11.56 kilometers a liter converts to27.19 miles a gallon.