JavaScript Period Rate Calculator

This calculator will work out the period rate from an annual effective rate (such as an APR).  Enter the frequency as the number of periods in a year (for example, 12 for monthly charging periods).

To use the calculator, fill in the figures in the boxes marked '*' below and click on the 'Calculate' button to display the result in the final box.  Click on the 'Reset' button to clear the calculator for a new calculation.

* Annual rate of interest (%):
* Charging frequency (pa):
Period rate (%):

Coded in JavaScript and HTML by Brian Stewart, v1.1 December 2001