Home Loan Prepayment Calculator India 2026 — Interest Saved & Tenure Reduced
Making a lump-sum prepayment on your home loan is one of the most effective ways to reduce your total interest burden. This calculator shows exactly how much interest you save and how many months are cut from your loan tenure when you make a one-time prepayment at any point during your loan.
How Prepayment Saves You Money
When you make a prepayment, the lump sum directly reduces your outstanding principal balance. Since interest is calculated on the outstanding principal each month, a lower balance means less interest accrues in every subsequent month. This compounding effect means even a modest prepayment in the early years can save several times its value in interest over the remaining tenure.
For example, a ₹5 lakh prepayment on a ₹50 lakh, 20-year loan at 8.5% made in the first year can save over ₹8–10 lakh in interest and shorten the tenure by 2–3 years.
Should You Reduce EMI or Tenure When Prepaying?
Most Indian banks offer two options when you make a prepayment: (1) keep the EMI the same and reduce the tenure, or (2) keep the tenure the same and reduce the EMI. Reducing the tenure is almost always the mathematically better choice — it eliminates more future interest because the outstanding balance drops faster.
Reducing the EMI makes sense only if you are cash-flow constrained and need to lower your monthly obligation. If you can comfortably pay the current EMI, always choose tenure reduction. This calculator assumes tenure reduction, which is the standard default at most banks.
When is the Best Time to Prepay?
The earlier in the loan tenure you prepay, the greater the interest savings. In the first few years of a home loan, a large portion of your EMI goes toward interest rather than principal. A prepayment made in year 1 or 2 eliminates interest on a higher outstanding balance for a longer remaining period, multiplying the savings.
As the loan matures, the outstanding balance is already lower and the remaining tenure is shorter, so the same prepayment amount produces diminishing savings. That said, a prepayment made even in year 10 is still worthwhile if you have surplus funds earning less than your loan interest rate.
A useful rule of thumb: if your loan interest rate exceeds the post-tax return on your safest investment option (e.g., FD or debt fund), prepayment is the better use of surplus funds.
Frequently Asked Questions
Q: Is there a penalty for prepaying a home loan in India?
A: For floating-rate home loans from banks and most HFCs (Housing Finance Companies), the RBI has prohibited prepayment penalties for individual borrowers. This means you can prepay any amount at any time without extra charges. Fixed-rate home loans may attract a prepayment penalty of 2–3% of the prepaid amount — always confirm with your lender before making a large prepayment on a fixed-rate loan.
Q: What is the best time during the year to make a home loan prepayment?
A: There is no single "best month" within a year — what matters most is the point in the loan's life. Make the prepayment as early as possible. Within a given year, many borrowers time prepayments after receiving an annual bonus (typically January–March) or after tax refunds. As long as the funds are surplus and not needed for emergencies, act promptly rather than waiting for a "better" time.
Q: Should I reduce my EMI or my tenure after prepayment?
A: Reducing the tenure (keeping your EMI the same) always saves more total interest than reducing the EMI (keeping tenure the same). When you reduce tenure, the outstanding principal falls faster, generating compounding interest savings over the shortened period. Choose EMI reduction only if you genuinely need to free up monthly cash flow — for example, if you anticipate a reduction in income or have other high-priority expenses.
Q: Is it better to make a single large prepayment or multiple smaller prepayments?
A: Both strategies work, but a single large prepayment made early typically saves more interest than equivalent smaller prepayments spread over several years. The reason is the same compounding logic: a large reduction in principal in year 1 eliminates interest on that entire amount for the remaining 15–20 years. However, if you do not have a large lump sum, making regular annual prepayments (e.g., from yearly bonuses) is an excellent alternative that progressively reduces your tenure and interest burden.
Last updated: June 2026 · Assumes tenure-reduction prepayment, floating-rate home loan · For informational purposes only.