Enter the loan amount, rate and tenure to plan your EMIs — every figure is calculated locally in your browser and never uploaded.
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Early-repayment strategiestap to see how much you could save →
Tick any you'd use and edit the amounts — the badge shows how much interest each one saves. Combine them freely.
Strategies can be combined.
The numbers in detail
Everything that changes when you prepay — grouped so it's easy to read.
See it visually
How your loan balance falls over time.
Year-by-year schedule
Principal, interest and prepayments each year.
Download your plan
A formatted report or the raw month-by-month schedule — reflecting exactly what you've selected.
How the EMI and prepayment math works
Your EMI comes from the standard formula EMI = P × r × (1+r)ⁿ / ((1+r)ⁿ − 1), where P is the loan amount, r the monthly rate and n the number of months. Early in the loan, most of each EMI is interest — which is exactly why prepaying early is so powerful: every extra rupee reduces the principal that all future interest is calculated on.
The three strategies, honestly compared
Extra per month is the easiest habit — even ₹2,000–5,000 extra on a home loan typically removes years. One extra EMI a year (the "13th EMI") matches how bonuses arrive and needs no monthly discipline. Lumpsum prepayments save the most per rupee when made early, because they cancel the longest stretch of future interest. This planner simulates all three month-by-month — individually or combined — and shows the exact interest and time saved against a regular schedule.
Reduce tenure, not EMI
Banks offer two prepayment modes: lower your EMI, or keep the EMI and shorten the tenure. Shortening the tenure almost always saves far more interest, so that's what this planner models. Check whether your loan has prepayment charges — floating-rate home loans in India generally have none.
Frequently asked questions
Is prepaying always better than investing the money?
Prepaying gives a guaranteed "return" equal to your loan rate. If you can reliably earn more than that after tax elsewhere, investing can win — but the loan-rate return is risk-free, which is hard to beat for high-rate loans.
Do banks charge for prepayment?
Floating-rate home loans to individuals in India have no prepayment penalty by RBI rules. Fixed-rate loans, car loans and personal loans often do — check your agreement.
Is my data uploaded?
No — the entire simulation runs in your browser.
What an EMI is made of
An equated monthly instalment (EMI) is a fixed monthly payment that covers both the loan principal and the interest. Early in the loan most of each payment goes toward interest; later, more of it goes toward the principal. The payment stays the same, but its split shifts over time — that's amortization.
The three inputs that decide it
Three numbers set the EMI: the principal (amount borrowed), the interest rate, and the tenure (number of months). A longer tenure lowers the monthly payment but increases the total interest paid, because you're borrowing the money for longer.
Total repayment and total interest
Multiply the EMI by the number of months to get the total repayment. Subtract the original principal from that, and what remains is the total interest — the real cost of the loan. Two loans with the same monthly payment can have very different total interest if their tenures differ.
Assumptions to keep in mind
The calculation assumes a fixed interest rate and equal payments throughout. Real loans may have variable rates, processing fees, or prepayment options that change the totals. Use the figure to compare scenarios, then confirm the exact terms with the lender.
From hand-built loan tables to instant amortization
Loan repayment schedules once required tables or repeated manual calculations. Calculators and spreadsheets made it practical to instantly compare how principal, rate and tenure change monthly payments and total interest.
Why longer tenure can be deceptive
Spreading the same principal over more instalments can lower each payment while keeping the balance outstanding for longer. That can increase total interest even though the monthly payment looks easier.