Late Fee Calculator

Overdue invoice amount

Currency

Late fee type

Rate per month (%)

Months are counted

Due date (optional)

Paid or calculated on (optional)

Days overdue

Your payment terms (days)

Simple (non-compounding) interest. General information, not legal advice: outside the UK statutory scheme, a late fee is normally enforceable only if the customer agreed to it, and some places cap the amount. Runs in your browser.