When it comes to setting the width for row labels in Excel, there are a few things you need to take into account. For one, the width of your row labels will depend on the font size you're using. If you're using a larger font size, then you'll need to set your row label width accordingly. Additionally, the number of characters in your row label will also affect the width. If you have a lot of characters in your row label, then you'll need to set the width accordingly.
In terms of actually setting the width for row labels in Excel, there are a few different ways you can do this. One way is to simply click on the row label and drag it to the desired width. Another way is to go into the 'Format' menu and select 'Column Width'. From here, you can enter in the desired width for your row label.
Keep in mind that when setting the width for row labels in Excel, you'll want to make sure that your labels are still readable. You don't want to make them too small or too big. Finding the perfect balance can be a bit tricky, but it's important to get right.