Net 45 Calculator | Invoice Payment Terms

Calculate payment due dates, early payment discounts, and late fees for Net 45 invoice terms. Streamline your accounts receivable and optimize cash flow.

Payment Details
Enter your invoice details to calculate the payment due date
Results
Payment Due Date
Friday, January 30, 2026
Days Until Due
45 days

Understanding Net 45 Payment Terms

Net 45 is an extended payment term providing 45 days from the invoice date for payment. This term is common in industries with longer sales cycles, larger transactions, or when sellers want to offer competitive terms to win business.

How It Works

When you issue an invoice with Net 45 terms, the buyer has 45 calendar days from the invoice date to make payment. For example, an invoice dated January 1st with Net 45 terms would be due on Feb 15, 2024.

Common Variations

  • Net 45 EOM: Payment due 45 days after end of month
  • 2/10 Net 45: 2% discount if paid within 10 days
  • Net 45 + COD: Combined terms for partial payment

Payment Term Comparison

TermPayment WindowBest ForRisk Level
Net 1010 daysFast-moving goods, trusted clientsLow
Net 3030 daysStandard B2B transactionsMedium
Net 4545 daysLarge orders, established relationshipsMedium
Net 6060 daysEnterprise clients, large contractsMedium-High
Net 9090 daysGovernment, major corporationsHigh

Best Practices for Net 45 Terms

Clear Documentation

Always state payment terms prominently on invoices, quotes, and contracts.

Credit Assessment

Evaluate new customers before extending Net payment terms to minimize risk.

Early Payment Incentives

Offer small discounts (1-3%) for payments within 10 days to improve cash flow.

Consistent Follow-up

Send payment reminders before and after the due date systematically.

Late Payment Policy

Establish and communicate clear consequences for late payments upfront.

Automated Invoicing

Use invoicing software to track due dates and automate payment reminders.

Advantages & Disadvantages of Net 45

Advantages

  • Competitive advantage over Net 30 competitors
  • Attracts larger clients with extended AP cycles
  • Suitable for high-value transactions
  • Builds stronger customer relationships
  • Common in manufacturing and wholesale industries

Disadvantages

  • Extended cash flow gap for sellers
  • Higher risk of payment default
  • May require factoring or financing
  • Needs robust credit assessment processes
  • More demanding on accounts receivable management

Frequently Asked Questions

Net 45 means the full invoice amount is due within 45 calendar days from the invoice date. An invoice dated June 1st with Net 45 terms would require payment by July 16th.

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