Invoice due date
Net 30, net 60, end of month… work out an invoice's payment deadline.
How it works
With “30 days end of month”, add 30 days then go to the last day of that month. If it lands on a weekend, payment is usually due the next working day.
Results are for guidance only and do not replace professional advice.
Worked example
With the default values:
- Invoice date31 October 2026
- Terms (days)30
- ModeInvoice date + terms
you get:
- Due dateMonday, 30 November 2026
- If weekend, pay onMonday, 30 November 2026
- StatusIn 30 days
Frequently asked questions
How does the “Invoice due date” tool work?
With “30 days end of month”, add 30 days then go to the last day of that month. If it lands on a weekend, payment is usually due the next working day.
What do I need to enter?
Just fill in: invoice date, terms, mode. The result updates as you type.
Can you give an example?
Invoice date: 31 October 2026; Terms (days): 30; Mode: Invoice date + terms → Due date: Monday, 30 November 2026; If weekend, pay on: Monday, 30 November 2026.
Is this calculator free, and is my data private?
Yes. HOD Calc is completely free with no sign-up. The calculation runs in your browser: nothing you type is sent or stored.