I'm glad you have decided not to be partly pregnant as well!
I only meant it as tongue in cheek ... but I do get sick of converting everything into weird archaic imperial measurements so that the citizens of two countries in particular can understand them. Then we have the problem of things like gallons being different in the UK and the US! I still understand imperial miles per gallon, but the experience of dealing with our cousins in North America has shown me that we might as well start dealing with litres as soon as possible.
I wish the Americans would get over pounds as well ... I need to convert them to kilograms to see how heavy something is. Your currency, the pound was once defined as one pound of silver ... as I write the price is £22.09 per troy ounce (still official usage!) or £353.44 per pound ... bit ironic really! Most of this devaluation has come since the invention of central banks like the BOE and the US Federal reserve.
Not to hijack the thread much further, I note that the official measurement of volume in the UK is in fact the litre. I also note that the UK began its metrification in 1967 and Australia in 1969, in that time Australia has become almost entirely metric ... the only thing I don't really like is the measurement of pressure ... we use Kilograms per square meter, bar or millibars. I actually still like PSI, but I am sure I will eventually get over it.
Finally ... (Thank God you say!) we use litres per 100 kilometres, but I note that the dutch use kilometres per litre ... very annoying! As an aside you can calculate mpg (imperial!) to l/100km and vice versa by dividing 284 by the number in question. Example 30mpg in l/100km is 284/30 = 9.5 l/100km. 5l/100 km = 284/5 = 56.8 mpg. Its very easy really. I'm done!
Edit: I did more research and the pound was based on a Troy pound (373 grams) in 1526 so the 1526 £ is currently worth "only" £264.89 ... thats a relief! It was also Sterling silver ... hence "Pounds stirling" which was only 92.5% pure as opposed to fine silver at 99.9%, so adjusting for that we have a pound as originally defined as about £245. Last calulation ... this means that since 1526 the pound has fallen to 0.004 of its value, or that it has lost 99.6% of its value. I'm fascinated, but I promise to shut up now!
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surely its all in the wrist action
You Reeeeeaaalllyyyy need to get out more!
I'm metric through and through, imperial annoy me, but you know what they say; "You can't teach pork" 
