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Billora

Due Date Calculator

Due dates for any payment terms.

Payment window30 days
Due date
Sunday, December 13, 2026

Set clear expectations by putting an exact due date on every invoice. Choose your invoice date and payment terms to get the date and weekday.

Common terms include due on receipt, Net 7, Net 15, Net 30 and Net 60.

Formula

  • Due date = Invoice date + Payment term days

Example

An invoice dated March 2 on Net 45 terms is due April 16.

Frequently asked questions

What does 'due on receipt' mean?

Payment is expected immediately when the client receives the invoice.

What is EOM?

End of month — payment is due at the end of the month the invoice was issued (or a set number of days after it).

Should I show both terms and a due date?

Yes. Showing both avoids confusion about when the clock starts.