This article describes the formula syntax and use of theFLOOR function in Microsoft Excel.

Description

The FLOOR function in Excel rounds a specified number down to the nearest specified multiple of significance. Negative numbers are rounded down (further negative) to nearest whole multiple below zero. 

Syntax

FLOOR(number, significance)

The FLOOR function syntax has the following arguments:

• Number    Required. The numeric value you want to round. 

• Significance    Required. The multiple to which you want to round. 

Remarks

• If either argument is nonnumeric, FLOOR returns the #VALUE! error value.

• IfNumberis positive andSignificanceis negative, FLOOR returns the #NUM! error value.

• If the sign ofNumberis positive, a value is rounded down towardzero. If the sign ofNumberis negative, a value is rounded down, adjustedaway from zero (further negative). 

Example

Copy all the fields in the following table. In a new Excel worksheet, paste all into cell A1 and adjacent cells. If you do not automatically see results, select and press F2 on the formulas. Adjust column widths if needed to see all.