Calculate late payment fees & generate a letter.
Find out how interest and compensation you're owed in less than a minute.
Then instantly generate a PDF letter to send to your debtor.
Late payments can put a serious strain on your cashflow. That’s why we’ve built a simple tool to help you calculate exactly how much compensation and statutory interest you can add to an overdue invoice under the Late Payment of Commercial Debts (Interest) Act 1998.
Once you’ve worked out what’s owed, you can download a ready-to-send PDF breakdown to attach to your chaser email or letter.
Late Payment Calculator and Letter Generator
Enter the invoice amount, due date and payment date, and our calculator will do the rest.
What the calculator includes
Statutory interest
8% above the Bank of England base rate.
Fixed late payment fees
£40, £70 or £100 depending on invoice size.
Daily interest breakdown
see how the amount grows each day until the invoice is settled.