Late Payment Calculator

Calculate the statutory interest due on invoices under the Late Payment of Commercial Debts (Interest) Act 1998.

Simply enter the invoice details below and click calculate:

Date payment became overdue:      
Date of Payment (if debt has been paid):      
Total invoice value (inc VAT):  


Solutions for Contractors:

Clever Accounts

Complete contractor accounting service. 24/7 online access. £69 pm!

Contractor Accountant

Free consultation, incorporation and IR35 reviews. Find out more…

Need an accountant?

Comprehensive service for £59 per month. Call now for a FREE consultation.