FLOOR Function in Excel: Syntax, Examples and Free Practice

By Rinkesh Shah, founder of Cellgrids.

FLOOR is an Excel Math & Trig function. Rounds a number down to the nearest multiple of a chosen value.

FLOOR syntax

=FLOOR(number, significance)

FLOOR is used in financial models and engineering-style calculations where precise numeric work is needed.

Open the live Excel-style spreadsheet and try FLOOR yourself. No Excel install or sign-up needed to start.

What does the FLOOR function do in Excel?

Rounds a number down to the nearest multiple of a chosen value.

What is the syntax of FLOOR in Excel?

The syntax is =FLOOR(number, significance). number: A number to use in the calculation; significance: The multiple to round to.

Where can I practice FLOOR online for free?

Open the free live spreadsheet on Cellgrids and try FLOOR yourself. No Excel install is needed and you can start without signing up.