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Compare effect of compounding periods

Excel formula: Compare effect of compounding periods
Generic formula 

To compare the effect of (non-annual) compounding periods on growth, you can set up a worksheet as shown, and calculate future value with the FV function. In the example shown, $1000 is invested with an annual interest rate of 5%, the formulas in column D calculate the future value of the $1000 assuming the compounding periods shown in column C. The formula in D5, copied down, is:


where pv (G4), rate (G5), and term (G6) are named ranges. 


The FV function calculates compound interest and return the future value of an investment over a specified term. To configure the function, we need to provide a rate, the number of periods, the periodic payment, the present value:

  • Present value (pv) is the named range G4
  • Rate is provided as as annual rate/periods, or rate/C5
  • Number of periods (nper) is given as periods * term, or C5*term
  • There is no periodic payment, so we use zero (0)

By convention, the present value (pv) is input as a negative value, since the $1000 "leaves your wallet" and goes to the bank during the term.

The named ranges automatically behave like absolute references, so there is no need to use dollar signs ($).

Dave Bruns

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