Mortgage Calculator
Calculate monthly payment, total interest and amortization schedule for any home loan
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Real-Life Guide to Using the Mortgage Calculator
Monthly payment, interest & amortization schedule. Use the examples and checks below to turn the number into a practical decision.
When this calculator is useful
Suited to anyone considering a loan against an already-owned property (LAP) or evaluating a mortgage-style loan where an existing property is pledged as collateral, rather than a fresh home purchase loan.
For most people, the best way to use the Mortgage Calculator is to try the real case first, then change one input at a time. That makes the trade-off visible. For example, with a loan calculator you can change tenure while keeping the same rate; with an investment calculator you can change return assumption while keeping the same monthly contribution; with a health, education or measurement calculator you can check how much one input changes the final category.
The result should answer a practical question: Can I afford this? How much should I save? Is this score enough? Is this measurement within range? What is the safer or cheaper option? If the output does not answer the decision clearly, adjust the inputs until the scenario matches your real situation.
Practical Advice
Use the Mortgage Calculator as a planning tool, not just a number generator. Write down the inputs you used, because the final answer is meaningful only when you remember the assumptions behind it.
If the decision affects money, health, tax, safety, academics or legal compliance, keep a second check ready. That second check may be a bank quote, payslip, official rule, prescription, site measurement, mark sheet or invoice.
Common Mistakes
- Confusing a mortgage/loan-against-property with a home purchase loan — LAP typically allows only 50-70% of the property's market value as loan amount (versus up to 90% for a purchase loan) and usually carries a rate 1-3% higher.
- Overestimating the property's market value using an old registered/circle-rate figure instead of a current independent valuation, which the bank will insist on and which can be lower than expected in a slow market.
- Not accounting for the fact that mortgage/LAP tenures are often shorter (10-15 years) than home purchase loans, which raises the EMI considerably for the same loan amount.
- Ignoring end-use restrictions — many lenders require documentation proving the loan is used for business expansion, education, or medical needs, and using it for speculative purposes can violate loan terms.
- Underestimating legal and valuation charges, which for LAP can be higher than for a purchase loan since the bank needs to independently verify title, valuation, and check for any existing encumbrances on the property.
How to Interpret Results
Check the loan amount against your property's realistic current market value (not the price you paid years ago) and make sure the resulting EMI, at the typically higher LAP interest rate, still comfortably fits your monthly cash flow given the shorter tenure.
A good interpretation looks at both the main result and the supporting values. If a page shows totals, ratios, categories, schedules or warnings, read those together instead of focusing only on the biggest number.
Mortgage Calculator FAQs
Useful answers for interpreting the output, avoiding mistakes and using the result responsibly.
What is a Mortgage Calculator?
A mortgage calculator computes your fixed monthly payment based on the loan amount (principal), interest rate, and repayment term. It also breaks down how much of each payment goes toward principal versus interest — the amortization schedule.
In India, home loans from banks function exactly like mortgages — the EMI formula is identical. This calculator also shows the impact of making extra principal payments each month, which can significantly reduce your total interest and payoff time.
help_outlineHow to Use the Mortgage Calculator
- Enter the Loan Amount — total principal borrowed (home price minus down payment).
- Enter the Annual Interest Rate — your bank's rate. SBI and major banks offer 8.4–9.5% p.a. as of 2025.
- Enter the Loan Term in years — typically 15, 20, or 30 years for home loans.
- Optionally enter an Extra Monthly Payment — any amount above the EMI applied to principal. See how it reduces your payoff time and total interest.
- The yearly amortization table shows exactly how your balance decreases over time.
Benefits of Prepayment
- On a ₹50L / 8.5% / 20yr loan, an extra ₹5,000/month saves ~₹9L in interest
- Prepayment in early years saves more — most interest is charged in years 1–7
- RBI mandates no prepayment penalty for floating rate home loans
- Even annual lump-sum prepayments (bonus, tax refund) reduce term significantly
- Consider comparing prepayment vs investing the extra amount — if investment returns exceed loan rate, investing may win
Key Terms
- Principal
- The original loan amount borrowed. Each EMI payment chips away at this balance while also covering that month's interest.
- Amortization
- The process of spreading loan repayment over time. In early months, most of your EMI goes toward interest. In later months, more goes toward principal.
- LTV (Loan-to-Value)
- Percentage of property value financed by the loan. Indian banks typically lend up to 75–90% LTV — you fund the rest as down payment.
- Floating vs Fixed Rate
- Floating rates reset with RBI repo rate changes — cheaper when rates fall, risky when they rise. Fixed rates are locked for the full term — predictable but usually 0.5–1% higher initially.