Late Fee Calculator
A free online late fee calculator that works out a fair late fee using UK statutory interest or your contract rate, and writes the wording for your invoice.
Free ยท Works in your browser. Copy the wording
Specifications
| Brand | Stelaah |
|---|---|
| Category | Spreadsheets and tools |
| Format | Works in your browser. Copy the wording |
| Price | Free |
| Works with | Works in any modern browser on a phone, tablet or computer. Nothing to install and no account needed. |
| Language | English |
An invoice is late and you want to add a fair late fee? This free tool works out the fee and writes the wording, using the UK statutory rule or the rate in your contract.
Work out a late fee for an overdue invoice and get the wording to put on it. Enter the amount and how many days late it is, then pick the UK statutory rule for business invoices or the rate in your contract for the US, Canada or Australia. Not legal advice; each rule shows when it was last checked.
Who it fits: Freelancers and small businesses in the UK, US, Canada and Australia chasing an overdue invoice.
These templates are not legal advice. Check them against the law where you and your client are.
Get it free in the Stelaah Store
See inside





What's inside
Amount, days late and region in; the fee, the new total and the wording out.
| Section | Pages or size |
|---|---|
| Regions | UK, US, Canada, Australia, or your contract |
| UK statutory interest and fixed compensation | Worked out |
| Wording for your invoice | Ready to copy |
| Date each rule was last checked | Shown |
| Account needed | None |
Who it's for
- Freelancers
- Small businesses chasing late payment
You may be looking for
- late fee calculator
- late payment interest calculator
- UK Late Payment Act calculator
- overdue invoice interest
- late fee wording
Guides
Works with
Works in any modern browser on a phone, tablet or computer. Nothing to install and no account needed.
Questions
- Which apps does it work with?
- Works in any modern browser on a phone, tablet or computer. Nothing to install and no account needed.
- Is it really free?
- Yes. It works in your browser, free, with no account needed.