Put a bonus against the principal and see the loan shorten
Estimates only, not financial advice. What you type stays on your device. Checked against sources on 23 Oct 2026.A part payment, or part prepayment, is a single amount paid against the principal, usually a bonus or a matured deposit. On a floating rate home loan the bank cannot charge for it. On ₹40 lakh at 8.5% with 20 years left, ₹5 lakh paid now saves ₹16.59 lakh of interest if you keep the EMI.
| Part payment after 1 year | Interest saved (shorter loan) | Months saved | Interest saved (lower EMI) |
|---|---|---|---|
| ₹1,00,000 | ₹3,77,708 | 13 | ₹1,01,882 |
| ₹3,00,000 | ₹10,13,090 | 37 | ₹3,05,645 |
| ₹5,00,000 | ₹15,26,947 | 58 | ₹5,09,408 |
Rates and rules read from the sources listed on this page (the earliest on 23 Oct 2026); they may have changed since.
Enter the Amount you still owe, the Interest rate and the Years left.
Set the One-off amount of the part payment; the page starts at 3 lakh in month 1.
Change Paid in month to the month you will make it.
Read the interest saved and the Year by year table against the balance without prepaying.
Enter your balance, rate and months left to see your interest saving.
This home loan prepayment calculator shows what paying extra actually saves. Enter what you still owe, your rate and the months left, then add a one-off amount, a monthly top-up, or both. You get the interest saved, the months saved, the new EMI if you cut that instead, and a full schedule.
Under the Reserve Bank of India (Pre-payment Charges on Loans) Directions, 2025, a lender may not charge a prepayment or foreclosure fee on a floating rate, non-business loan to an individual, part or full; on a fixed rate loan the lender's own policy decides. Those Directions cover loans sanctioned or renewed from 1 January 2026, so check the sanction letter on an older loan. This page assumes no fee and a rate that does not move.
The rest of the article, and all 6 questions about Home Loan Prepayment Calculator, are on the Home Loan Prepayment Calculator page.
Savings depend on the amount, the rate and how early you pay. On 40,00,000 at 8.5% with 20 years left, a single 5,00,000 prepayment made now with the EMI kept the same saves about 16,59,000 of interest and ends the loan 62 months early. Enter your own outstanding balance for your figure.
Under the Reserve Bank of India (Pre-payment Charges on Loans) Directions, 2025, a lender may not charge a prepayment or foreclosure fee on a floating rate loan taken by an individual for a purpose other than business, part or full; on a fixed rate loan the lender's own policy decides. Those Directions apply to loans sanctioned or renewed from 1 January 2026, so check the sanction letter on an older loan.
Prepaying gives you a certain return equal to your loan rate, with no tax on it. Investing gives you an uncertain return that is taxed. This page shows the interest saved for every rupee you put in, which is the number to compare against what you expect an investment to return after tax. Also weigh the deduction you may lose on home loan interest.
No. It assumes your rate stays where it is, there are no fees or prepayment charges, and the money is applied in the month you choose. Floating rates move, and some banks apply a part payment only from the next instalment date, so treat the figures as close estimates rather than a statement from your bank.
Rates and rules change; check the source before you rely on a figure.
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