Syntax

ISPMT(rate, period, number_of_periods, present_value)

Arguments

The printed syntax lists 4 argument(s), in order:

  • rate
  • period
  • number_of_periods
  • present_value

“optional” marks an argument Google prints in square brackets; “repeatable” marks one Google prints with “…”.

Description from Google Docs Editors Help

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

Google’s help article for ISPMT →

Source: Google Docs Editors Help, “Google Sheets function list” (support.google.com/docs/table/25273), record record 101 of 516, data fetched 28 September 2026. Data month: September 2026.