Invoice Late Fee Calculator

Calculate the late fee owed on an unpaid invoice based on a monthly interest rate and the number of days overdue.

Inputs
Results
Late Fee
$112.50
Total Amount Owed
$5,112.50

Try an example

Formula

Late Fee = Invoice × (Monthly Rate / 30) × Days Late

Learn How This Works

Inventory Turnover and Invoice Late Fees Explained

How inventory turnover ratio and invoice late fee calculations work, with real business examples.

Frequently Asked Questions

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