Reference

Currency Conversion

Sites

* Foreign Exchange Calculator
from the BNZ. Covers New Zealand Dollars to Foreign Currency & Foreign Currency to New Zealand Dollars
* New Zealand CPI Inflation Calculator
The Inflation Calculator lets you to calculate the difference in purchasing power for any amount of money between two different dates.
* New Zealand Currency Calculator
convert NZ dollars to other currencies, or vice versa.
* Oanda Currency Converter
Covering 164 currencies. "You can view an exchange rate for any day since 1 January 1990 through yesterday. The O&A currency converter is updated daily at 06:00 MET (Middle European Time) with information from the previous day." Source: Olsen & Associates, Switzerland.
* The Universal Currency Converter
from Xenon Labs. Also has a few other nifty currency related resources.