How the due date is worked out
For Net terms, add the number of days to the invoice date. For EOM, go to the last day of the invoice month; for Net X EOM, go there and then add X days. A discount deadline is the invoice date plus the discount days.
Net N: invoice date + N days EOM: last day of the invoice month Net X EOM: that day + X days
If you choose to move weekend and holiday due dates, the date steps forward to the next Monday to Friday that is not a federal holiday.
Example: Net 30 that lands on a weekend and a holiday
Invoice dated Thursday, January 15, 2026, Net 30, move to next business day on.
- Thu, Jan 15, 2026 + 30 days = Saturday, February 14, 2026, a Saturday.
- Sunday, Feb 15 is skipped. Monday, Feb 16 is Washington’s Birthday [1], also skipped.
- Due date: Tuesday, February 17, 2026, 33 days after the invoice.
Example: EOM and Net 30 EOM
- Invoice Tue, Feb 10, 2026, EOM: February has 28 days in 2026, so due Sat, Feb 28, 2026. For an invoice on Thu, Feb 10, 2028 in a leap year: Tue, Feb 29, 2028.
- Invoice Tue, Jan 20, 2026, Net 30 EOM: Sat, Jan 31, 2026 + 30 days = Mon, Mar 2, 2026.
Example: 2/10 Net 30
Invoice dated Sun, Mar 1, 2026 for $5,000.00.
- Discount deadline: Sun, Mar 1, 2026 + 10 days = Wed, Mar 11, 2026. Pay by then and the 2% discount is $100.00, so you pay $4,900.00.
- Otherwise the full $5,000.00 is due Tue, Mar 31, 2026 (30 days).
Questions
What does Net 30 mean?
Payment is due 30 days after the invoice date. Net 15, 45, 60 and 90 work the same way with their own number of days. The day count starts the day after the invoice date.
What does EOM mean?
End of month: payment is due on the last day of the month the invoice is dated. “Net 30 EOM” counts 30 days from that month end. Some sellers use extra rules, for example treating late-month invoices as next month’s, which this page does not apply.
What is 2/10 Net 30?
A 2% discount if you pay within 10 days of the invoice date; otherwise the full amount is due in 30 days. Turn on the discount option and enter 2 and 10.
What if the due date is a weekend or holiday?
Whether you can pay on the next business day depends on your agreement. Turn on the option to move it. The calculator then skips Saturdays, Sundays and US federal holidays [1], and shows how far it moved. The discount deadline is never moved.
Are these terms set by law?
No. They are common conventions that the invoice or contract sets. Read your own terms; this page only does the date arithmetic.
Where does “days remaining” come from?
From your device’s clock, in your browser. The page itself holds no dates for today, so the figure is always for the day you open it. Holiday data covers 2026 to 2029.