ISPMT function

The ISPMT function calculates the interest paid during a particular period of an investment.

Parts of an ISPMT formula

ISPMT(rate, period, number_of_periods, present_value)

Part Description Notes
rate The interest rate.  
period The time frame for which you want to view the interest payment. Should be number between 1 and number_of_periods.
number_of_periods The number of payments to be made.  
present_value The current value of the annuity.  

Sample formula

ISPMT(15%, 2, 5, 1000)

Notes

Make sure that consistent units are used for the rate, period, and number of periods. For example, a car loan for 36 months may be paid monthly, in which case the annual percentage rate (APR) should be divided by 12 and the number of payments is 36. A different type of loan of the same length might be paid quarterly, in which case the APR should be divided by 4 and the number of payments would be 12.

Example

  A B
1 Formula Result
2 =ISPMT(B1, B2, B3, B4) -2400

Related functions

  • PPMT: The PPMT function calculates the payment on the principal of an investment based on constant-amount periodic payments and a constant interest rate.
  • PMT: The PMT function calculates the periodic payment for an annuity investment based on constant-amount periodic payments and a constant interest rate.
  • NPER: The NPER function calculates the number of payment periods for an investment based on constant-amount periodic payments and a constant interest rate.
  • IPMT: The IPMT function calculates the payment on interest for an investment based on constant-amount periodic payments and a constant interest rate.
  • FVSCHEDULE: The FVSCHEDULE function calculates the future value of some principal based on a specified series of potentially varying interest rates.
  • FV: The FV function calculates the future value of an annuity investment based on constant-amount periodic payments and a constant interest rate.
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