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Personal Loan Interest Calculator

Calculate your monthly loan payments and discover how much interest you can save with extra prepayments.

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The Secret to Saving Money on Personal Loans

Personal loans are often necessary for emergencies, debt consolidation, or big purchases. However, banks structure loans using amortization schedules, meaning the majority of your early payments go purely toward interest, not the principal.

How Amortization Works

When you take out a standard 5-year loan, your Equated Monthly Installment (EMI) remains the same every month. However, the breakdown of that EMI changes over time. In Year 1, up to 80% of your EMI might go to interest. By Year 5, 80% of your EMI goes to principal. This is how banks maximize their profits early on.

The Power of Prepayment

The only way to hack an amortized loan is through prepayments (making extra payments directly against the principal). Because interest is calculated based on the outstanding principal balance, lowering the principal early destroys the bank's ability to compound interest against you.

By making just one extra EMI payment per year, you can shave months (or even years) off your loan tenure and save thousands in unnecessary interest charges.

Common Questions

How does prepayment affect my personal loan?+

Making prepayments (extra payments towards the principal) reduces your outstanding balance, which decreases the total interest charged and shortens the tenure of the loan.

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Apoorv

Software Engineer & Creator of CalcHub. Exploring finance, health, and mathematics from first principles to help you uncover objective reality.

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