How to use PDURATION Function in Excel

The Excel PDURATION function returns the number of periods required for an investment to reach a desired value.

Syntax:= PDURATION (rate, pv, fv)

The PDURATION function syntax has the following arguments:

  • Rate    Required. Rate is the interest rate per period.
  • Pv    Required. Pv is the present value of the investment.
  • Fv    Required. Fv is the desired future value of the investment.

PDURATION uses the following equation, where specifiedValue is equal to fv, and currentValue is equal to pv:

Example: Let’s look at some Excel PDURATION function examples and explore how to use the PDURATION function as a worksheet function in Microsoft Excel:

Syntax:  =PDURATION(B1/B2,B3,B4)


Based on the Excel spreadsheet above, the following PDURATION examples would return:

Syntax: =PDURATION(B1/B2,B3,B4)
Result: 81.30

Syntax: =PDURATION(B1,B3,B4)
Result: 6.96


  1. #NUM! error – Occurs in the following situations:
    • When the arguments given are negative or equal to 0.
    • Any of the given arguments of the formula is in an invalid format.
  1. #VALUE! error – Occurs when any of the arguments in the formula uses valid data types that are non-numeric.

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