Net 30 Calculator

Net 30 Calculator: Stop Guessing, Start Planning Cash Flow

Use our free Net 30 calculator to find invoice due dates instantly. Enter your invoice date, pick payment terms, and get results in seconds.

Payment terms

The date the invoice is issued
$
Add an amount to see discount and late-fee figures
When full payment is due after the invoice date
% / year
Annual rate to estimate late fees if paid after the due date

Results

PAYMENT DUE DATE
July 29, 2026
Net 30
Invoice date
Payment terms Net 30
Days until due
Net terms use calendar days from the invoice date. This tool is an estimate, not financial advice.

Compare payment terms

Due date for each term from your invoice date.

Frequently Asked Questions

Calculate Net 30, Net 60, or Net 90 due dates in one click. See exactly when payments arrive — and plan your savings timeline with confidence.

Q1: What does Net 30 mean on an invoice?

A: Net 30 means full payment is due 30 calendar days from the invoice date. If you issue an invoice on June 29, 2026, payment is due by July 29, 2026. It is one of the most common payment terms in B2B transactions.

Q2: How many days is Net 30 exactly — business days or calendar days?

A: Calendar days, not business days. Net 30 counts every day, including weekends and public holidays. This is the standard across most industries unless your contract explicitly states "30 business days."

Q3: How do I calculate a Net 30 due date manually?

A: Add 30 days to your invoice date. Example: Invoice date = June 1 → Due date = July 1. Our Net 30 calculator does this instantly — no manual counting, no errors.

Q4: What is the difference between Net 30, Net 60, and Net 90?

A: The number tells you how many calendar days the buyer has to pay:

  • Net 30 → payment due in 30 days
  • Net 60 → payment due in 60 days
  • Net 90 → payment due in 90 days

Shorter terms improve your cash flow. Longer terms benefit the buyer. Use the compare tool to see exact due dates side by side.

Q5: Does Net 30 start from the invoice date or the delivery date?

A: By default, Net 30 starts from the invoice date. Some contracts specify it starts from delivery or receipt confirmation. Always check your agreement. Our calculator uses the invoice date as the start point — the most widely accepted standard.

Q6: How do early payment discounts work with Net 30 terms?

A: A common structure is "2/10 Net 30" — the buyer gets a 2% discount if they pay within 10 days, otherwise the full amount is due by day 30. Use the Early Payment Discount tab in our calculator to see the exact savings figure.

Q7: Can I use this calculator for Net 60 or Net 90 payment terms?

A: Yes. The tool supports Net 7, Net 10, Net 15, Net 30, Net 45, Net 60, and Net 90. Select any term from the dropdown and the due date updates instantly. The comparison table shows all terms at once so you can pick the right one for your business.

Q8: How does knowing my Net 30 due date help with financial planning?

A: When you know exactly when cash arrives, you can schedule bill payments, avoid overdrafts, and build a predictable savings cadence. For freelancers pursuing financial independence, mapping invoice due dates against monthly expenses is a core habit — our calculator makes that visible in seconds.