Late Payment Interest Calculator
Easily calculate UK statutory interest and compensation on overdue invoices
The UK Late Payment Interest Calculator is a free, essential tool for businesses to recover what they are owed. It automatically calculates statutory interest at 8% above the Bank of England base rate and applies the correct fixed compensation for overdue business invoices under the Late Payment of Commercial Debts (Interest) Act 1998. Simply input your invoice details to get accurate figures and generate a ready-to-send chasing email, helping you secure payment faster while maintaining professional relationships.
Launch Team / Built with
Launched October 30, 2026