

Scenario 1: Find the Amount of Payment | |
![]() | |
Interest rate R% is always a yearly figure. However, in most loan situations it is compounded monthly. In this calculator
the Payment Amount P is calculated by the following formula
![]() ![]() ![]() |




Scenario 2: Find the Interest Rate | |
![]() | |
For given C, P and N, one can only solve the following equation for r by numerical means.
![]() ![]() ![]() |




Scenario 3: Find the Number of Payments | |
![]() | |
This calculator figures out the Number of Payments N by the following closed-form expression:
![]() |

