Calculators
Links
"The ""Full"" Version of XE.com's Currency Converter"
http://www.xe.com/ucc/full.shtml
xe.com - Converts over 180 currencies in 250 geographic locations. Has link to shorter list of most popular currencies.
Bankrate Calculator
http://www.bankrate.com/brm/rate/calc_home.asp
"bankrate.com - Calculate bank rates
(2 votes)Economic History Resources- How Much Is that Worth Today?
http://www.eh.net/ehresources/howmuch/dollarq.php
eh.net - Comparing the purchasing power of money in the United States (or colonies) from 1665 to any other year including the present.
Iconv - Data conversion online
(6 votes)
iconv.com - Lists free file converters for instant online data conversion
Marine Calculators and Converters
http://portfocus.com/calculate.html
(1 vote)
portfocus.com - Various calculators and converters related to ships and maritime business
Online Conversion
(5 votes)
"convertplus.com - A collection of measurement conversion tools including energy and work