Some useful tools 

A nice wee converter that will give you an instant conversion. I am definitely old school and prefer MPG. Just enter your known  'measure' in the correct box and voila it's all done.

mile/gallon (UK):
liter/100 km:
gallon (UK)/mile:
gallon (UK)/100 mi: - the ultimate unit conversion resource.

A simple currency converter for those who spend small fortunes on D parts from Europe. We call it the 'Vince Converter"