Written by Allen Wyatt (last updated March 28, 2025)
This tip applies to Excel 2007, 2010, 2013, 2016, 2019, and 2021
VBA provides a function to return a random value. You wouldn't necessarily use this function by itself, but as part of a larger macro that may require the use of random values. The syntax for the function is as follows:
x = Rnd()
where x is the result. The value returned will always be between 0 and 1. To translate this to some other random value, all you need to do is multiply the result by the highest number you want to consider. For instance, if you wanted a random integer number between 1 and 25, you could use the following code line:
x = Int(25 * Rnd()) + 1
Since Rnd always returns a value between 0 and 1 (but never 1 itself), multiplying what it returns by 25 and then using the Int function on that result will return a number between 0 and 24. Finally, 1 is added to this result, so that x will be equal to a number between 1 and 25, inclusive.
If you want a random floating point number, then simply removing the Int function from this code will not work correctly. Instead, you'll need to modify the formula in this manner:
x = (Rnd() * 24) + 1
Note:
ExcelTips is your source for cost-effective Microsoft Excel training. This tip (9751) applies to Microsoft Excel 2007, 2010, 2013, 2016, 2019, and 2021. You can find a version of this tip for the older menu interface of Excel here: Determining a Random Value.
Dive Deep into Macros! Make Excel do things you thought were impossible, discover techniques you won't find anywhere else, and create powerful automated reports. Bill Jelen and Tracy Syrstad help you instantly visualize information to make it actionable. You’ll find step-by-step instructions, real-world case studies, and 50 workbooks packed with examples and solutions. Check out Microsoft Excel 2019 VBA and Macros today!
Want your macros to be available regardless of the workbook on which you are working? Here's how to store them in the ...
Discover MoreWant to step through the worksheets in a workbook, displaying them like a slideshow? The macros provided in this tip can ...
Discover MoreExcel doesn't allow you to run a macro while editing the contents of a cell. The only solution is to get out of Edit ...
Discover MoreFREE SERVICE: Get tips like this every week in ExcelTips, a free productivity newsletter. Enter your address and click "Subscribe."
There are currently no comments for this tip. (Be the first to leave your comment—just use the simple form above!)
Got a version of Excel that uses the ribbon interface (Excel 2007 or later)? This site is for you! If you use an earlier version of Excel, visit our ExcelTips site focusing on the menu interface.
FREE SERVICE: Get tips like this every week in ExcelTips, a free productivity newsletter. Enter your address and click "Subscribe."
Copyright © 2025 Sharon Parq Associates, Inc.
Comments