We're taking notes of your feedback and suggestions, @Where is the quick.

I know how beneficial to you and your business to calculate invoice terms from the send date. Please know that all suggestions are being considered by our product engineers based on the volume of requests and their influence on the user interface before they are implemented.

If you haven't yet, I suggest submitting your feedback directly to our product engineers. They may look into this suggestion and consider adding the option in the future update. To send feedback, you can go to the Gear icon and select Feedback. Then, enter your suggestion and click Submit.

You might want to learn more about the invoice payment terms. This article will provide you the detailed information: Invoice Payment Terms in QuickBooks Online.

The Community forum is always open to help you again if you have any other concerns or follow-up questions about invoice terms. I'll be around to provide further assistance, @Where is the quick.