Compound Interest Calculator Loan Amount $ Interest rate % NB: For Business and Personal loans the interest rate is at 12%. For Civil Servant Loans: Interest Rate= 8% Admin fees = 7.50% After you input the interest rate, just click on any white space for calculation of the totals Tenure Months Totals Installment Amount $ Loan Amount $ Total Interest Charged $ Total Amount To Be Repaid $ If you are human, leave this field blank. Calculate