Net 30 Payment Terms: Meaning, Due Date Examples, Free Calculator

Net 30 payment terms mean the buyer must pay the full invoice amount within 30 calendar days of the invoice date. "Net" means the whole amount, with no discount, and 30 is the number of days. An invoice dated 15 January on Net 30 is due on 14 February. The free Net 30 Calculator gives you the exact due date for any term, plus the days left or overdue.

Net 30 is the most common payment term in business to business trade. It gives the buyer time to receive and check the goods, and gives the seller a clear date to chase.

How to calculate a Net 30 due date

Add 30 calendar days to the invoice date. Weekends and public holidays count, unless your contract says business days.

Invoice date	Term	Due date
1 March	Net 30	31 March
15 January	Net 30	14 February
10 March	Net 30	9 April
31 January	Net 30	2 March (1 March in a leap year)
20 October	Net 60	19 December
1 November	Net 90	30 January

Month ends are where people slip: February has 28 or 29 days, so counting "the same date next month" gives the wrong answer. That is why it is safer to print the actual due date on every invoice instead of only writing "Net 30".

When does Net 30 start?

The clock usually starts on the invoice date. Some contracts start it from another event, so read the terms:

• From the invoice date: the standard reading of plain "Net 30".
• From receipt of goods: common with importers, because sea freight can take weeks.
• From the end of the month (EOM): "Net 30 EOM" means 30 days after the last day of the invoice month. An invoice dated 5 March on Net 30 EOM is due on 30 April.

If both sides read the start differently, you get a dispute about whether the invoice is late. Write the due date on the invoice and the problem disappears.

Common payment terms compared

Term	When payment is due
Due on receipt	The day the invoice arrives
Net 7 / 15	7 or 15 days after the invoice date
Net 30	30 days after the invoice date
Net 30 EOM	30 days after the end of the invoice month
Net 60 / 90	60 or 90 days after the invoice date
2/10 Net 30	2% off if paid within 10 days, otherwise the full amount in 30

What does 2/10 Net 30 mean?

2/10 Net 30 offers the buyer a 2% discount for paying within 10 days; otherwise the full amount is due in 30 days. On a 10,000 invoice, paying by day 10 costs 9,800.

Skipping that discount is expensive. You pay 2% to keep the money for 20 more days, which works out to about 37% a year:

(2 / 98) x (365 / 20) = 0.0204 x 18.25 = about 37%

If you can borrow for less than that, taking the discount saves money. The Net 30 calculator shows this annual cost next to the due date.

How to use the Net 30 calculator

1. Open the Net 30 Calculator.
2. Pick the invoice date.
3. Choose the term: Net 7 to Net 90, EOM, or a discount term such as 2/10 Net 30.
4. Read the due date, the days left or overdue, and the discount details.
5. Copy the result or save it as a PDF for your records.

Is Net 30 right for your business?

As a seller, Net 30 helps you win business customers, but you wait a month for cash. Offer it to buyers with a good payment history, ask new customers for a deposit or a proforma invoice paid upfront, and send a polite reminder a few days before the due date.

As a buyer, Net 30 is free credit for 30 days. Pay on time to keep the terms; suppliers quickly move late payers back to payment in advance.

When an invoice does go past its due date, the payment reminder email generator writes the follow up, and the AI invoice generator puts clear terms and the exact due date on your next invoice.

Frequently asked questions

What does Net 30 mean on an invoice?

The full invoice amount is due within 30 calendar days of the invoice date. "Net" means the whole amount with no discount.

Does Net 30 include weekends?

Yes. Net terms count calendar days, including weekends and holidays, unless the contract says business days.

What is the difference between Net 30 and Net 30 EOM?

Net 30 counts from the invoice date. Net 30 EOM counts 30 days from the end of the month the invoice was issued in, so it always gives a later due date.

What does 2/10 Net 30 mean?

The buyer may take 2% off if it pays within 10 days. Otherwise the full amount is due within 30 days.

Is Net 30 the same as 30 days credit?

In practice, yes. Both mean the buyer pays 30 days after the start date, which is usually the invoice date. Check the contract to see when the 30 days start.