InvoiceDueDate

Net 30 Business Days Calculator

Calculate Net 30 due dates counting business days only — excluding weekends.

Some contracts define Net 30 as 30 business days, not calendar days — that can push the due date by 1–2 weeks. Toggle business-day mode below and compare against standard calendar Net 30 before you send the invoice.

Market reference

MetricRangeNote
Calendar Net 3030 daysincludes weekends
Business Net 30~42 calendar daysMon–Fri only
Differenceup to 12 daysvs calendar
State on invoicebusiness daysif applicable

Interactive example — net 30 business days calculator

Due date
Wed, Aug 12, 2026
Days from invoice
42 days
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Frequently asked questions

Is Net 30 calendar or business days?

Unless your contract says business days, Net 30 usually means calendar days.

How many calendar days is 30 business days?

Roughly 42 calendar days — about 6 weeks including weekends.

Should I specify business days on my invoice?

Yes — write 'Net 30 business days' to avoid disputes with AP teams.

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