How to Set Payment Terms and Due Dates

Payment terms tell the client exactly when payment is due, and vague terms are one of the biggest reasons invoices get paid late. "Payment due soon" is not a due date. It is an invitation to guess.

What "Net 30" (and friends) actually mean

"Net" terms count days from the invoice date, not from when the client happens to open the email. Net 30 means payment is due 30 calendar days after the invoice date. The same logic applies to Net 15, Net 45, Net 60, and so on. The number is just the day count.

A few other common terms:

• Due on receipt: payment is expected as soon as the client receives the invoice. Common for smaller amounts or one-off work.
• Net 7 / Net 15: shorter terms, often used by freelancers and small businesses that cannot afford to wait a full month for cash.
• 2/10 Net 30: a small discount (2%) if paid within 10 days, full amount due within 30. See our early payment discount calculator to work out whether offering one makes sense for you.
• End of month (EOM): due at the end of the month of invoicing, or a set number of days after it. Common in some regions. Be sure both sides understand the exact meaning.
• Payment in advance or on delivery: used for new clients, custom orders, or high-risk sales.

Worked example: dates and discount

You issue an invoice for $5,000 on March 3 with terms "2/10 Net 30".

• Net 30 due date: March 3 + 30 days = April 2.
• Discount deadline: March 3 + 10 days = March 13.
• Discount: $5,000 × 0.02 = $100. Early payment amount: $4,900.

Is the discount worth it? The client saves $100 by paying 20 days early (day 10 instead of day 30). You receive $4,900 20 days sooner. The cost of the discount as a rate is 100 ÷ 4,900 = about 2.04% for 20 days. A year has about 18.25 periods of 20 days, so the annualized equivalent is about 2.04% × 18.25 = roughly 37%. If you would otherwise borrow at 12% a year, the discount is expensive for you, so offering it only makes sense if cash is tight and the cost is acceptable. The calculator gives your exact figures.

Now compare with the delay in a Net 60 deal. For a $5,000 invoice, the extra 30 days of waiting at 12% costs about $5,000 × 0.12 × 30 ÷ 365 = $49.32. This shows what longer terms cost you in financing.

Choosing terms that fit your business

Shorter terms mean better cash flow but can feel aggressive to clients used to longer cycles, particularly larger companies whose own accounts payable processes run on a 30- or 60-day rhythm. A few starting points:

• New or occasional clients: shorter terms, or due on receipt, until you have built trust.
• Ongoing clients with a track record of paying on time: Net 30 is a reasonable, widely understood default.
• Larger companies or government clients: they may require Net 45 or Net 60 regardless of your preference. It is worth confirming before you start work, not after you have sent the invoice.
• Large projects: combine a deposit with milestone payments. See invoice deposits and progress invoicing.

Some countries set maximum payment periods or a statutory interest for late B2B invoices. Rules differ widely, so check with a local accountant.

Always show an actual date, not just the term

Even if your terms are "Net 30," put the actual due date on the invoice: "Due: March 15, 2026," not just "Net 30." It removes any ambiguity about which date the client should be counting from, and it is the date that shows up when they set a payment reminder. Our invoice due date calculator turns an invoice date and a term into an exact due date in one step. If the due date falls on a weekend or holiday, the business days calculator helps you choose a clear alternative.

Decide your late-payment policy up front

Whatever terms you choose, decide before you need it what happens if payment is late. A grace period, a late fee, or an interest charge: stating this on the invoice itself, not introducing it after the due date has passed, makes it far easier to enforce without the conversation feeling like a surprise. Our late payment fee calculator and late payment interest calculator show the amounts.

Checklist: terms on every invoice

1. Invoice date.
2. Payment term (for example, Net 15).
3. Exact due date.
4. Accepted payment methods and details.
5. Late fee or interest terms, if any.
6. Early payment discount, if any.
7. Same terms as in your quote or contract. See what to include on an invoice.

Common mistakes

• Counting from the wrong date. Net days run from the invoice date, unless you say otherwise.
• Sending late. Terms start when the invoice is dated, but the client cannot pay what they have not received. Send on the same day.
• Different terms in different documents. Align the quote, contract, and invoice.
• Accepting a client's terms silently. If a client says "we pay in 60 days," decide whether to accept, ask for a deposit, or adjust the price.
• No follow-up plan. See reducing late payments.

FAQ

What is the best default term?

Net 14 or Net 30 for most small businesses. Use shorter terms for small jobs and new clients.

Can I change terms after an invoice is sent?

Only with the client's agreement. Changing terms on a sent invoice causes confusion. Apply new terms to future invoices.

Does the due date count calendar days or business days?

Calendar days, unless stated otherwise. State it if you mean business days.

Is a late fee always allowed?

Not everywhere, and amounts may be capped. Put the fee in writing before the sale and confirm local limits.