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Cost control made easy for UK subcontractors A subsidiary service of QS and Estimating Consultants Ltd (opens in a new tab)
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QS tool 04

Late Payment Interest Calculator

Estimate simple daily interest on an overdue construction payment using the principal, dates and annual rate that apply to the account.

Best used for: Use this only for an overdue sum after entering the interest rate that actually applies.

Calculated in this browser. Nothing is saved by this tool.

Enter the rate that applies to the debt; the calculator deliberately does not assume a current Bank rate.