This page contains two calculators.
Calculator I converts an annual (nominal) rate to a compounded rate.
Example: An annual (nominal) rate of 9 per cent yields what interest rate when compounded monthly?
Using calculator I, input 9.
Click on ‘Monthly’ compounding and the compounded rate is 9.3807%.

Calculator II converts a compounded rate to an annual (nominal) rate.

Example:What is the annual (nominal) rate of a 7 per cent compounded daily rate?
Using calculator II, input 7.
Click on ‘Daily’ compounding and the compounded rate is 6.7665%.

The convertor will automatically calculate interest to 4 decimal places.
Change this number for the amount of accuracy you want.