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Interest Calculator


This calculator is set, by default, at a base rate of 4.25% and a rate above base of 8%.

To calculate Interest owed by the Late Payment of your Invoice simply enter the amount and the number of days overdue.

If the rates change, simply adjust them in the calculator. Move from one field to the other by clicking in the next (or previous) field.

Base Rate %                     Statutory Rate %
Debt                         Annual Rate
Daily Rate Pence number of days outstanding
  Interest Due