Syntax

MDURATION(settlement, maturity, rate, yield, frequency, [day_count_convention])

Arguments

The printed syntax lists 6 argument(s), in order:

  • settlement
  • maturity
  • rate
  • yield
  • frequency
  • ay_count_conventio optional

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

Description from Google Docs Editors Help

“Calculates the modified Macaulay duration of a security paying periodic interest, such as a US Treasury Bond, based on expected yield.”

Google’s help article for MDURATION →

Source: Google Docs Editors Help, “Google Sheets function list” (support.google.com/docs/table/25273), record record 102 of 516, data fetched 28 September 2026. Data month: September 2026.