Invoice Due Date Calculator

Enter invoice issue date and payment terms in days to see the due date instantly.

—Due date

How to use

  1. Enter the invoice issue date.
  2. Set payment terms in days (e.g. 30 for Net 30).
  3. See the calculated due date instantly.

Frequently asked questions

What does Net 30 mean?

Payment is due 30 days after the invoice issue date. Net 60 = 60 days, and so on.

Are weekends and holidays excluded?

This calculator adds calendar days. Some businesses use business days only — adjust manually if needed.

Can I use custom payment terms?

Yes. Enter any number of days for custom terms like Net 15 or Net 45.

Is my data sent to a server?

No. All calculations happen in your browser.

Last updated

Powered by maratool