To calculate monthly interest rate the formula in C6 is. The formula now becomes. Amount 1.
Each row in column will show you the running balance of your rental income interest.
In this case C2 contains the value 10180 so the Excel worksheet will calculate 10180 x 108 and will display 10917. R is the interest rate. To calculate monthly interest rate the formula in C6 is. As with all Excel formulas instead of typing the numbers directly into your compound interest formula you can use references to cells containing numbers.