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Part Payment Calculator

See how much interest you save with prepayment

Original Loan Amount
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Interest Rate 9%
%
Loan Tenure 20 Yrs
Yrs
EMIs Already Paid 36
EMIs
Part Payment Amount
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After Part Payment, I prefer to:
Interest Saved
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-
New Monthly EMI
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Tenure Reduced By
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New Outstanding

A salary hike, a year-end bonus, a maturing FD โ€” whenever extra money lands in your account, one of the smartest things you can do is make a part payment on an outstanding loan. The interest saved is often far greater than what an FD would earn. But most people don't run the numbers. This calculator shows exactly what a lump sum payment does to your outstanding loan.

How Part Payment Changes Your Loan

When you make a part payment, the amount goes directly toward reducing your principal outstanding. Since EMI interest is calculated on the outstanding principal, a lower principal immediately reduces the interest in every future EMI. After a part payment, you have two choices: keep the EMI the same and shorten the tenure, or reduce the EMI and keep the tenure. Keeping the EMI and shortening the tenure saves significantly more interest.

Interest Saved from Part Payment:

Before Part Payment:
Remaining Interest = Total future EMIs โˆ’ Outstanding Principal

After Part Payment:
New Outstanding = Old Outstanding โˆ’ Part Payment Amount
Recalculate remaining EMIs on new outstanding at same rate

Interest Saved = Old Remaining Interest โˆ’ New Remaining Interest

A Real Example

Home loan โ‚น50 lakhs at 9% for 20 years. 3 years in, you make a โ‚น5 lakh part payment and keep the EMI same. Without part payment: โ‚น34 lakh interest remaining. With โ‚น5 lakh part payment: tenure cuts by ~2.5 years, interest saved โ‚น8โ€“9 lakh. You spent โ‚น5 lakh and saved โ‚น8โ€“9 lakh. No FD comes close to that guaranteed return.

When It Makes Most Sense

Early in the tenure is when part payment has maximum impact โ€” the outstanding principal is largest, so the interest saving per rupee prepaid is highest. For floating rate home loans, banks in India cannot charge prepayment penalty for individual borrowers. For fixed rate loans, foreclosure charges are usually 2โ€“4%. Always check your loan agreement. To see your full amortisation schedule, our home loan calculator shows year-by-year breakdowns including part payment scenarios.

Should I reduce EMI or tenure after part payment?

If you can afford the current EMI comfortably, always choose to reduce tenure. You'll save significantly more interest because you exit the loan earlier. Reduce EMI only if the current EMI is genuinely straining your budget.

Can I make multiple part payments over the loan tenure?

Yes โ€” making a part payment every year from your annual bonus is often the best strategy. Each payment reduces the base on which future interest accrues, and the benefits compound over time.

Is there a minimum amount for part payment?

Different banks have different policies โ€” some require minimum 1 EMI amount, others specify โ‚น10,000 or โ‚น50,000 minimum. Check with your lender. Even smaller amounts are accepted and still reduce principal and future interest.

Does part payment affect my CIBIL score?

Part payment doesn't negatively affect your CIBIL score โ€” reducing outstanding debt is generally positive for your credit profile. What hurts the score is missed or delayed payments, not prepayment.