Please Note: This article is written for users of the following Microsoft Excel versions: 2007, 2010, 2013, 2016, 2019, Excel in Microsoft 365, and 2021. If you are using an earlier version (Excel 2003 or earlier), this tip may not work for you. For a version of this tip written specifically for earlier versions of Excel, click here: Random Numbers in a Range.

# Random Numbers in a Range

Written by Allen Wyatt (last updated July 2, 2022)
This tip applies to Excel 2007, 2010, 2013, 2016, 2019, Excel in Microsoft 365, and 2021

Excel provides a power function that allows you to easily return a random integer number within a range. For instance, you can use the RANDBETWEEN function to return a random integer number between 50 and 99, or between -25 and 0. The syntax for the function is as follows:

```=RANDBETWEEN(lower, upper)
```

All you need to do is provide the lower and upper values. If the first number you provide is actually higher than the second number, then RANDBETWEEN returns a #NUM! error.

Remember that RANDBETWEEN works only with whole numbers—integers. If you need, instead, to get non-integer values, then you need to use RANDBETWEEN in a bit more complex of a formula. For instance, if you want to have values between 1 and 2, then you could use a formula such as this:

```=RANDBETWEEN(100, 200) / 100
```

This will provide values two two decimal places. If, instead, you wanted values to three decimal places, just make 1000 and 2000 your bounds and divide by 1000.

ExcelTips is your source for cost-effective Microsoft Excel training. This tip (12364) applies to Microsoft Excel 2007, 2010, 2013, 2016, 2019, Excel in Microsoft 365, and 2021. You can find a version of this tip for the older menu interface of Excel here: Random Numbers in a Range.

##### Author Bio

Allen Wyatt

With more than 50 non-fiction books and numerous magazine articles to his credit, Allen Wyatt is an internationally recognized author. He is president of Sharon Parq Associates, a computer and publishing services company. ...

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What is five minus 0?

2022-07-02 05:20:44

Andy

The newer RANDARRAY function available in Excel 365 is worth looking at as well. https://support.microsoft.com/en-us/office/randarray-function-21261e55-3bec-4885-86a6-8b0a47fd4d33

As well as the option of random integers within a range, it also allows decimal values and can return an array of random values.

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