Net 15 Terms Explained + Due Date Calculator
Net 15 terms explained in plain English with a free due date calculator for invoices and contracts.
Net 15 terms tell the buyer when to pay: 15 days after the invoice date. Put the term and the calculated due date on every invoice so AP cannot dispute the timeline. Calculate your date below, then copy the invoice line.
Market reference
| Metric | Range | Note |
|---|---|---|
| Term label | Net 15 | on invoice |
| Window | 15 days | calendar |
| Wording | Payment due [date] | copy-ready |
| Common with | agencies / freelancers | under $10k |
Interactive example — net 15 terms
- Due date
- Mon, Aug 3, 2026
- Days from invoice
- 15 days
Recommended next step
Send invoices with clear due dates
You have the due date — create and send a professional invoice in minutes with free or paid accounting tools.
We may earn a commission if you sign up through these links — at no extra cost to you.
Use our free invoice due date calculator for unlimited scenarios. All calculations run in your browser — no signup, no data upload.
Try free invoice due date calculator →
Frequently asked questions
What are Net 15 terms?
Contract or invoice language that requires payment within 15 days of the invoice date.
How do I write Net 15 terms on an invoice?
Example: 'Payment terms: Net 15. Amount due on or before [due date].'
Can buyers negotiate longer than Net 15?
Yes — counter with Net 30 only if you can wait, or ask for a deposit.