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Late fee calculator

A client's invoice is overdue. Find out exactly what they owe you now — and get a calm, ready-to-send line for your email.

Tip: a common freelance term is 1.5% per month on overdue balances (check your local statutory cap).
Days overdue
Late fee owed
Total now due

Tired of doing this for every late client?

Get Paid OS tracks every invoice, counts the days overdue automatically, and hands you the full follow-up email — fee included. Notion template $19, or the app for $29.

See Get Paid OS →
More free tools: Overdue invoice email generator →