[picea]

I haven't looked for others but Australia has a convenient calculator: http://www.rba.gov.au/calculator/annualPreDecimal.html

[RustyRussell]

1 pound 10 shillings in 1945 (which would convert to $1.50 in 1965 with the changeover to decimal) becomes $98.74 in 2013. Ouch!