Mortgage Payoff Calculator
See how extra payments can help you pay off your mortgage faster and save on interest.
Enter mortgage details to see payoff savings
Mortgage Payoff Calculator — Save Lakhs on Home Loan Interest
A home loan prepayment calculator helps you see exactly how much interest you save and how many months earlier you can close your home loan by making extra payments beyond your regular EMI. In India, where most home loans run for 15–25 years, even modest prepayments can slash total interest costs by lakhs of rupees and cut years off your loan tenure — turning a 20-year loan into a 14-year one.
Consider a home loan balance of ₹40,00,000 at 8.5% with 18 years (216 months) remaining. Without extra payments, you'll pay approximately ₹39,10,000 in interest over those 18 years. But by making just ₹5,000 in extra monthly payments, you save an estimated ₹9,80,000 in interest and close the loan nearly 4.5 years early. As per RBI guidelines, floating-rate home loans can be prepaid without any penalty — making prepayment one of the highest guaranteed-return financial moves available to Indian homeowners.
What is a Mortgage (Home Loan)?
A mortgage (home loan in India) is a secured loan used to purchase or construct residential or commercial property, where the property itself serves as collateral. The lender has a lien on the property until the loan is fully repaid, and can initiate legal proceedings to recover the property if the borrower defaults.
- Home loans in India are typically long-tenure (15–25 years) with relatively low interest rates (8%–9.5% p.a.) since the property provides strong collateral security for the lender.
- Most home loans are now linked to external benchmark rates (EBLR/RLLR), which move with RBI's repo rate — meaning your EMI can change when the RBI changes rates.
- As per RBI guidelines, no prepayment penalty applies to floating-rate home loans, making extra payments a zero-cost strategy to save interest and close the loan early.
- Home loan EMIs offer significant tax benefits: principal repayment is deductible under Section 80C (up to ₹1.5 lakh/year) and interest under Section 24(b) (up to ₹2 lakh/year for self-occupied property).
How to Use This Calculator
- Enter the Current Loan Balance — the outstanding principal remaining on your home loan.
- Enter the Annual Interest Rate — your current home loan rate (e.g., 8.5%).
- Enter the Remaining Tenure in months (e.g., 216 months for 18 years).
- Enter the Extra Monthly Payment you can comfortably add each month (e.g., ₹5,000).
- Optionally enter any One-Time Lump Sum Prepayment (e.g., bonus or inheritance).
- Click Calculate to see interest savings, new payoff date, and months saved.
Prepayment Savings Formula
- New EMI (with extra payment) = Standard EMI + Extra amount
- Example: Balance ₹40,00,000 | Rate 8.5% | Remaining: 216 months
- Standard EMI ≈ ₹35,099/month | Total remaining interest = ₹39,10,000
- With ₹5,000 extra/month (total payment ₹40,099):
- New tenure ≈ 162 months (13.5 years) — saves 54 months and ~₹9,80,000 in interest
- Lump sum of ₹5,00,000 prepaid today saves approximately ₹7,50,000 in interest and ~3.5 years.
Key Terms
- Prepayment
- Any payment made above the regular scheduled EMI, applied directly to reduce the outstanding principal. Prepayment is most effective early in the loan when the outstanding balance is highest, because it reduces the base on which interest is calculated for all future months.
- RBI No-Penalty Rule
- As per Reserve Bank of India guidelines, banks and NBFCs cannot levy prepayment/foreclosure charges on floating-rate home loans to individual borrowers. This makes partial prepayment (paying extra amounts towards principal) completely free of charge. Always ensure your home loan is linked to an external benchmark rate (EBLR/RLLR) to benefit from this rule.
- Principal vs Interest Split
- In the early years of a home loan, a large portion of your EMI goes toward interest. For example, in Month 1 of a ₹40L loan at 8.5%, approximately ₹28,333 of the EMI is interest and only ₹6,766 is principal repayment. By prepaying, you reduce the principal faster, which reduces future interest charges in a compounding beneficial effect.
- Lump Sum vs Monthly Extra
- Both strategies are effective. A lump sum prepayment (e.g., annual bonus) applied early in the loan has a greater impact than the same amount spread over monthly installments, because the full amount immediately reduces the principal base for all subsequent months.
Tips
- Prepay early in the loan tenure — every rupee of prepayment in year 1 saves approximately 3–4x more interest than the same prepayment in year 15.
- Apply your annual bonus or increment directly to the principal — this is the single most effective strategy for early home loan closure.
- Ask your bank to reduce tenure rather than EMI after a prepayment — maintaining the same EMI but shortening the tenure maximises interest savings.
- Compare your home loan rate against investment returns after tax. If your home loan rate is 8.5% and your post-tax investment return is below that, prepayment offers a guaranteed risk-free return equal to the interest rate.
- Verify that your loan is on a floating rate (linked to EBLR) to ensure no prepayment penalty applies under RBI rules.
- Even a small ₹1,000 extra per month on a 20-year loan can save over ₹3–4 lakhs in interest — start as soon as your finances allow.
Frequently Asked Questions
The savings are substantial. On a ₹40,00,000 home loan at 8.5% with 18 years remaining, paying ₹5,000 extra per month saves approximately ₹9,80,000 in interest and closes the loan 4.5 years early. Even ₹2,000 extra per month saves roughly ₹4,50,000. The key insight is that every rupee of prepayment saves more than a rupee in future interest because it reduces the compounding interest base.
No — as per RBI circular dated August 2, 2019, no bank or NBFC can charge prepayment or foreclosure penalties on floating-rate home loans to individual borrowers. This applies to both partial prepayments and full foreclosure. For fixed-rate home loans, lenders may charge 2%–4% as a prepayment penalty. Always ensure your loan is on a floating rate to avoid these charges.
This depends on your specific situation. If your post-tax investment return exceeds your home loan interest rate, investing may be more profitable. For example, if your home loan rate is 8.5% and your equity SIP returns 12% CAGR (though not guaranteed), investing could be better mathematically. However, prepayment offers guaranteed risk-free returns equal to the interest rate, provides peace of mind, and is especially valuable if you have limited risk appetite or high emotional stress from debt.
Always ask to reduce tenure rather than EMI after a prepayment. Reducing tenure means your EMI stays the same but the loan closes earlier — maximising interest savings. Reducing EMI means the loan tenure remains the same and you pay less each month, but total interest savings are much lower. The only exception is if your cash flow is tight and a lower EMI is genuinely necessary.
There is no restriction on prepayment frequency for floating-rate home loans in India. You can make prepayments monthly, quarterly, annually — or whenever you have surplus funds. Many borrowers make monthly micro-prepayments (small extra amounts each month) plus annual lump sum prepayments from bonuses. Consistent small prepayments are just as effective as occasional large ones and easier to sustain over time.
For floating-rate home loans with no prepayment penalty, the break-even is immediate — every rupee you prepay saves interest from the very first day. There are no fees to recover. The only consideration is opportunity cost — comparing your guaranteed home loan interest savings against the potential return from other investments. Given the guaranteed nature of interest savings vs the uncertain nature of investment returns, prepayment is often the rational choice for risk-averse borrowers.