Late Fee Calculator

Calculate late fees for overdue invoices and generate a professional notice to send to your client.

Invoice Details

Original Invoice Amount

Invoice Due Date

Grace Period (Days)

Days after due date before late fees apply

Late Fee Type

Percentage Rate (Per Month)

Common rates: 1.5% - 2% per month

Invoice Overdue

45 days

Past due date (0 day grace period applied)

Updated Invoice

Original Amount$5,000.00

Late Fee+$112.50

New Total Due$5,112.50

Late Fee Notice

Dear Client,

This invoice is now 45 days overdue. As outlined in our agreement, a late fee of $112.50 has been applied to the original invoice amount of $5000.00.

New total due: $5112.50

Please remit payment at your earliest convenience to avoid additional late fees. If you have any questions or concerns, please contact me immediately.

Thank you for your prompt attention to this matter.

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