Syntax

ROUNDDOWN(value, [places])

Arguments

The printed syntax lists 2 argument(s), in order:

  • value
  • lace optional

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

Description from Google Docs Editors Help

“Rounds a number to a certain number of decimal places, always rounding down to the next valid increment.”

Google’s help article for ROUNDDOWN →

Source: Google Docs Editors Help, “Google Sheets function list” (support.google.com/docs/table/25273), record record 248 of 516, data fetched 28 September 2026. Data month: September 2026.