Net 30 Payment Terms Explained

Net 30 means the full invoice balance is due 30 calendar days after the invoice date, with no discount for paying earlier. Calendar days include weekends and holidays, so an invoice dated January 10 with net 30 terms is due February 9. It is the most common payment term in US business-to-business trade, and it works as a short, interest-free line of credit from the seller to the buyer.

Last updated July 2026.

Net 30 is the payment term you will see on more US business invoices than any other, and it is also the one that gets read wrong most often. People assume it means "pay sometime in the next month" when it has a precise meaning that decides exactly when a bill is late, when an early-payment discount expires, and when a vendor can start charging interest.

This guide explains what net 30 payment terms mean, when the 30-day clock actually starts, how variations like 2/10 net 30 and net 30 EOM work, and how net 30 compares to net 60, net 90, due on receipt, and the other terms you will find on an invoice. It is written for US business owners, bookkeepers, and accounts payable staff who pay and send these invoices every week.

What are net 30 payment terms?

Net 30 payment terms mean the full invoice amount is due within 30 calendar days of the invoice date. "Net" refers to the total balance owed after any discounts, and "30" is the number of days the buyer has to pay it. So an invoice dated March 1 with net 30 terms must be paid by March 31. It is the most common business-to-business payment term in the United States.

Net 30 is a form of short-term trade credit. The seller delivers the goods or services first and lets the buyer settle the bill up to 30 days later, rather than demanding cash up front. That gap gives the buyer time to receive the goods, approve the invoice, and run it through accounts payable, while the seller books a receivable it expects to collect within the month. The days are calendar days, not business days, so weekends and holidays count.

When does the net 30 period start?

The net 30 period almost always starts on the invoice date, the day the seller issues the invoice. So with net 30 terms, payment is due 30 calendar days after that date. Some agreements instead start the clock on the delivery date or the date the buyer receives the invoice, but unless the contract says otherwise, the invoice date is the default trigger.

This is where disputes start, so it is worth pinning down. "Net 30" is more precise than a vague "due in 30 days," which can quietly mean 30 days from receipt, from delivery, or from some other event. If your business mails paper invoices or sends them days after the work is done, the buyer may not even see the invoice until a week of the term has already elapsed. The fix is to state the issue date and the due date explicitly on the invoice so both sides are counting from the same day.

What does 2/10 net 30 mean?

2/10 net 30 means the buyer gets a 2% discount if they pay within 10 days, and otherwise the full amount is due in 30 days. It is an early-payment discount layered on top of standard net 30 terms. On a $10,000 invoice, paying inside the 10-day window saves $200; wait past day 10 and the entire $10,000 is due by day 30.

Sellers offer terms like 2/10 net 30 to pull cash in faster and reduce the risk of late or missed payments. For the buyer, the discount is usually worth taking: 2% for paying 20 days early works out to a very high annualized return compared with holding the cash. You will also see variants such as 1/10 net 30 (a 1% discount) and 2/15 net 45. The first number is the discount percentage, the second is the discount window in days, and the net figure is the full payment deadline.

What is the difference between net 30, net 60, and net 90?

The only difference is the number of days the buyer has to pay: net 30 gives 30 days, net 60 gives 60, and net 90 gives 90, all counted from the invoice date. Longer terms give the buyer more time and more working capital, but they tie up the seller's cash longer and carry more collection risk. Net 30 is standard for most B2B trade; net 60 and net 90 are usually reserved for larger or long-standing customers.

Bigger buyers often push for net 60 or net 90 because the extra weeks improve their cash position. A smaller supplier who agrees has to fund that gap themselves, which is why many cap standard terms at net 30 and reserve longer terms for customers they trust to pay.

What is net 30 EOM?

Net 30 EOM means payment is due 30 days after the end of the month in which the invoice is dated, not 30 days after the invoice date itself. So an invoice dated March 8 with net 30 EOM terms is due 30 days after March 31, which is April 30. EOM stands for "end of month."

EOM terms are common in ongoing vendor relationships because they line every invoice from a given month up to a single due date, which is easier to schedule than dozens of staggered 30-day deadlines. A close cousin is MFI, "month following invoice," where payment is due on a set day of the next month. Both shift the due date to the calendar rather than to each individual invoice date.

What other invoice payment terms should you know?

Beyond the net terms, the most common ones are due on receipt, cash on delivery, and the early-payment discount terms. Each sets a different point at which payment is expected, and you will see them used depending on the size of the deal, the trust between the parties, and the seller's tolerance for waiting to be paid.

The payment term is one of the core fields on any invoice, alongside the invoice number, dates, line items, and total. If you want a field-by-field tour of where the terms sit and what every other element means, our guide on how to read an invoice walks through the whole document.

Is net 30 good for your business?

Net 30 is good for winning and keeping B2B customers because the credit makes you easier to buy from, but it costs you the use of that cash for up to a month and exposes you to late or missed payments. Whether it is worth it depends on whether your business can comfortably fund the gap between delivering work and getting paid.

On the buyer's side, net 30 is almost always welcome: it frees up working capital and gives time to verify the invoice before money leaves the account. On the seller's side, offering net 30 can be the difference that lands a larger client, but it means you are effectively lending that client the invoice amount for 30 days. Many small businesses offset the risk with early-payment discounts like 2/10 net 30, clear late fees, and tight follow-up on overdue invoices. The deciding question is your own cash flow: if a 30-day wait would strain payroll or supplier payments, shorter terms or partial deposits may serve you better.

How do you write net 30 payment terms on an invoice?

State the term clearly and pair it with an explicit due date so there is no ambiguity. The cleanest approach is a line that reads "Payment terms: Net 30" together with "Invoice date: [date]" and "Due date: [date 30 days later]." Spelling out the actual calendar due date removes any argument about when the 30 days started.

If you offer an early-payment discount, write it in full, for example "2% discount if paid within 10 days (2/10 net 30)," and show the discounted amount so the buyer can act on it without doing the math. Add any late fee policy in the same area. The goal is that anyone in the buyer's accounts payable team can read the invoice once and know exactly what to pay, by when, and what they save by paying early. Whether you are the one issuing or receiving the invoice, the difference between an invoice and the receipt you get back after paying is worth keeping straight, which our guide on the difference between an invoice and a receipt covers.

How do payment terms get captured in accounts payable?

In accounts payable, the payment term and due date are read off each incoming invoice and recorded so the bill can be scheduled and paid on time. Done by hand, a clerk keys the term, the invoice date, and the calculated due date into the accounting system for every invoice. Done with software, the term and dates are extracted automatically, which is faster and avoids the missed-discount and late-payment errors that manual keying causes.

This is exactly the gap an invoice tool fills. Pulling the vendor, invoice number, invoice date, due date, payment terms, totals, and full line-item detail into clean structured data with invoice data extraction software means AP knows the moment each invoice is due without anyone reading and retyping it. That feeds straight into the rest of the cycle: capturing every incoming bill cleanly with invoice data capture and routing it through your accounts payable automation workflow so net 30 terms are met instead of missed. Once an invoice is approved, a payments platform like autopayables.com can schedule and release the payment to land by the due date, and if your invoices arrive as email attachments, routing them in automatically with mailparse.ai means the net 30 clock starts in your system the day the invoice lands instead of whenever someone gets around to forwarding it.

The takeaway

Net 30 is simple once you fix the details: the full amount is due 30 calendar days from the invoice date, the clock starts on that date unless the contract says otherwise, and variations like 2/10 net 30 and net 30 EOM just adjust the discount or the start point. Read the term precisely and you will catch every early-payment discount and never trip a late fee by accident.

The practical risk is not understanding net 30, it is losing track of dozens of different due dates across every vendor. That is a data problem: it gets solved by capturing the payment term and due date off each invoice cleanly and letting your AP system act on them, rather than relying on someone to read and remember every deadline.

Every other term you will meet, from net 15 and EOM to ROG and 2/10 net 30, is defined with its exact due date on our invoice payment terms page, and the surrounding vocabulary is collected in the accounts payable glossary.