how bank loan interest is calculated
How Bank Loan Interest is Calculated
Interest method directly changes your total repayment even when advertised rates look similar.
Bangladesh-focused guide with practical calculation workflow.
Step-by-Step Explanation
- Check interest method used by bank
- Calculate monthly interest on outstanding balance
- Track principal reduction each month
Formula Used
- Monthly interest = outstanding principal × monthly rate
Example Calculation
- If outstanding is BDT 400,000 and monthly rate is 1%, monthly interest is BDT 4,000 before principal adjustment.
Common Mistakes
- Assuming flat and reducing are the same
- Comparing offers without effective rate analysis
FAQ
- Which is better: reducing or flat? Reducing is usually more transparent for EMI loans.
- Can rate change? Depends on fixed vs floating loan type.
Related Calculators
- Open: /calculators/interest-calculator
- Open: /calculators/loan-repayment-calculator
- Open: /calculators/loan-calculator-bangladesh