Thank you for posting here on the Community page, info-youthjustic.
At this time, changing the quantity to hours on the line items to show up on the invoice isn't available in QuickBooks Online. However, you can find a variety of third-party apps that integrates with Quickbooks on our website. Just enter some keywords or a category of what you're looking for and go through the list to see one that will work well with your business.
Here's also an article that you can check out if you wish to customize your invoices in QuickBooks Online. This way, you'll manage the details you wanted to see in your invoice.
Consider reading this handy help article in case you have other QuickBooks concerns, such as managing reports, inventory and projects, third-party apps integration, running reports, and many more to run your business efficiently and effectively.
I'll be right here to continue helping if you have any other concerns or questions about QuickBooks. Have a great day!
