Payment terms calculator
Turn an invoice date and a set of payment terms into an actual due date, including end-of-month terms. Nothing leaves your browser.
Invoice and terms
Due date
Wednesday, September 30, 2026
Due in 30 days.
"Net 30" isn't always 30 days from the invoice date
Standard terms
Net 15, 30, 45, 60, or 90 simply count that many days forward from the invoice date. Due on receipt means exactly that, no grace period.
EOM terms
"Net 30 EOM" counts from the end of the invoice month instead, not the invoice date itself. An invoice dated March 5th on Net 30 EOM terms is due April 30th, not April 4th. It's common enough in supplier contracts that it's worth checking which one actually applies before you assume.