Free Invoice Due Date Calculator
Use this tool to work out exactly when an invoice should be due based on the invoice date, payment terms, and whether weekend due dates should move to Friday or Monday.
Why this page exists
Calculate invoice due dates from an invoice date and payment terms, with optional weekend handling.
Built for real invoice workflows
If you also want the invoice itself to send automatically on time, try InvoiceAgent.
Calculated due date
Saturday, 9 May 2026
How to use it
Choose the invoice date.
Enter your payment terms in days, such as 7, 14, or 30.
Pick how weekend due dates should be handled.
Why it helps
Avoid manually counting terms on the calendar.
Make client payment expectations clearer.
Match due date planning to the same weekend logic used in recurring invoice workflows.
From free tool to live invoice workflow.
Once your numbers and dates look right, InvoiceAgent can create the scheduled invoice, generate the PDF, send reminder emails, and dispatch it with live FX conversion at send time.