Math & Trig
All versions
◉ 20 views
Volatile
=RAND()
RAND returns an evenly distributed random real number greater than or equal to 0 and less than 1. A new random real number is returned every time the worksheet is calculated.
Applies To:
Excel for Microsoft 365Excel for Microsoft 365 for MacExcel 2024Excel 2024 for MacExcel 2021Excel 2021 for MacExcel 2019Excel 2016
=RAND()
Hover argument names in the table for details.
Output typeNumber
Popularity25 / 100
VolatileYes
Dynamic ArrayNo
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◧ Arguments
No arguments.
▣ Examples
A random number greater than or equal to 0 and less than 1
=RAND()
Result:
varies
A random number greater than or equal to 0 and less than 100
=RAND()*100
Result:
varies
A random whole number greater than or equal to 0 and less than 100
=INT(RAND()*100)
Result:
varies
§ Remarks
- To generate a random real number between a and b, use:
- =RAND()*(b-a)+a
- If you want to use RAND to generate a random number but don't want the numbers to change every time the cell is calculated, you can enter =RAND() in the formula bar, and then press F9 to change the formula to a random number. The formula will calculate and leave you with just a value.
✦ Tips
- To generate a random real number between a and b, use:
- =RAND()*(b-a)+a
- If you want to use RAND to generate a random number but don't want the numbers to change every time the cell is calculated, you can enter =RAND() in the formula bar, and then press F9 to change the formula to a random number. The formula will calculate and leave you with just a value.
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