Math & Trig
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=FLOOR()
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.
Applies To:
Excel for Microsoft 365Excel for Microsoft 365 for MacExcel 2024Excel 2024 for MacExcel 2021Excel 2021 for MacExcel 2019Excel 2016
=FLOOR(number, significance)
Hover argument names in the table for details.
Output typeNumber
Popularity30 / 100
VolatileNo
Dynamic ArrayNo
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◧ Arguments
| Argument | Type | Required | Description |
|---|---|---|---|
number |
Number | Required | The numeric value you want to round. |
significance |
Number | Required | The multiple to which you want to round. |
▣ Examples
Rounds 3.7 down to nearest multiple of 2.
=FLOOR(3.7,2)
Result:
2
Rounds -2.5 down to nearest multiple of -2.
=FLOOR(-2.5,-2)
Result:
-2
Returns an error value, because 2.5 and -2 have different signs.
=FLOOR(2.5,-2)
Result:
#NUM!
Rounds 1.58 down to the nearest multiple of 0.1.
=FLOOR(1.58,0.1)
Result:
1.5
Rounds 0.234 down to the nearest multiple of 0.01.
=FLOOR(0.234,0.01)
Result:
0.23
§ Remarks
- If either argument is nonnumeric, FLOOR returns the #VALUE! error value.
- If Number is positive and Significance is negative, FLOOR returns the #NUM! error value.
- If the sign of Number is positive, a value is rounded down toward zero. If the sign of Number is negative, a value is rounded down, adjusted away from zero (further negative).
✦ Tips
- If the sign of Number is positive, a value is rounded down toward zero. If the sign of Number is negative, a value is rounded down, adjusted away from zero (further negative).
⚠ Common Errors
#VALUE!
If either argument is nonnumeric, FLOOR returns the #VALUE! error value.
Fix: برای هر دو آرگومان مقدار عددی وارد کنید.
#NUM!
If Number is positive and Significance is negative, FLOOR returns the #NUM! error value.
Fix: Make both arguments the same sign
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