Business calculator

Payment Due-Date Calculator

Add payment terms to an invoice date and see the resulting calendar due date.

Your figures stay in your browser.

Invoice datePayment terms (days)

Calculations happen in your browser.

Enter a valid non-negative payment terms.

How to use this calculator

Choose the invoice date and enter the agreed payment terms in calendar days. Confirm contract wording, weekends, holidays and local rules separately.

Review currency, tax, contract and legal assumptions against your own records before relying on a result.

Help shape the next update to Payment due-date calculator. Tell us what would make it better for you.