Business ToolsPrivate by design
Invoice Late Fee Calculator
Enter an invoice amount, monthly late fee rate, and days overdue to calculate the late fee owed.
How to use this tool
- 1Enter the invoice amount.
- 2Enter your late fee rate (% per month).
- 3Enter days overdue.
- 4See the late fee and new total due.
Frequently asked questions
Can I charge a late fee that wasn't agreed to upfront?+
Generally no — late fees need to be specified in your invoice terms or contract before the fact, and some jurisdictions cap maximum allowable rates.
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