Loan Interest Calculator

Calculate the total interest cost on any loan. Compare reducing balance (standard bank method) vs flat rate to understand the true cost of borrowing.

How to use

  1. Enter loan amount, annual interest rate, and tenure.
  2. Choose Reducing Balance (used by most banks) or Flat Rate.
  3. Reducing Balance calculates interest on outstanding balance each month.
  4. Flat Rate calculates interest on the original principal – costs more.
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Disclaimer: Results are estimates for informational purposes only and do not constitute financial, tax, or investment advice. Figures may vary based on actual terms. Always consult a qualified financial advisor before making financial decisions.