Net 30 Calculator
Pick an invoice date. See exact due dates for common payment terms side by side.
Due dates
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Open BusinessOSCommon questions
When does the Net 30 clock start?
The invoice date, not the delivery date or receipt date. Always print the invoice date clearly.
Is Net 30 calendar days or business days?
Calendar days, unless your contract says otherwise. So a Feb 1 invoice is due March 3.
Can I shorten payment terms after already agreeing to Net 30?
Only on new invoices, not the current one. Give 30-60 days notice for a change to future work.