Free Tool for Freelancers

Invoice Late Fee Calculator

Calculate how much you can charge for overdue invoices. Supports percentage, flat fee, and daily rate structures.

Invoice Details
30 days
1 day6 months
Late Fee Structure
Choose how you calculate late fees
1.5%

Common range: 1-1.5% per month (12-18% annual)

Legal Disclaimer

Late fee laws vary by state and country. Some jurisdictions cap interest rates or require written agreements. This calculator is for informational purposes only. Consult local regulations or a legal professional.

After 30 Days
Original Invoice$1,500.00
Late Fee+ $22.50
Total Due$1,522.50

Effective annual rate: 18%

Fee Timeline
30 days (1 mo)$1,522.50
60 days (2 mo)$1,545.34
90 days (3 mo)$1,568.52
120 days (4 mo)$1,592.05
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How to Handle Late Invoice Payments

Can Freelancers Charge Late Fees?

Yes, freelancers can charge late fees, but there are important considerations:

  • Written agreement required - Your contract or invoice terms must clearly state your late fee policy before the work is done.
  • Reasonable rates - Most states allow 1-1.5% per month (12-18% annually). Higher rates may be considered usurious.
  • Clear communication - Include payment terms on every invoice ("Net 30, 1.5% monthly late fee after due date").

Common Late Fee Structures

Percentage (Most Common)

1-1.5% of invoice per month. Scales with invoice size and is the industry standard.

Flat Monthly Fee

Fixed $25-50 per month. Simple and predictable but may be too low for large invoices.

Daily Rate

$5-25 per day creates urgency but can seem aggressive and may strain relationships.

Best Practices for Late Payment Policies

  1. Include terms in your contract - Specify payment terms, late fee policy, and collection procedures before work begins.
  2. State terms on every invoice - Remind clients of your policy ("Due in 30 days. 1.5% monthly fee on overdue amounts").
  3. Send reminders before due date - A friendly reminder 3-5 days before reduces late payments significantly.
  4. Apply fees consistently - If you waive fees for some clients, document why (first-time, partial payment, etc.).
  5. Know when to escalate - After 60-90 days, consider collections or small claims court for large amounts.

Sample Late Payment Terms

"Payment is due within 30 days of invoice date. A late fee of 1.5% per month (18% annually) will be applied to all overdue balances. If payment is not received within 60 days, the account may be referred to collections and additional fees may apply."

Frequently Asked Questions