Reduce EMI or reduce tenure after a part payment: which saves more?
EMI Calculator
Calculate your monthly EMI, full amortization schedule, and part-payment or foreclosure savings.
A part payment (or part-prepayment) is a lump sum you pay on top of your regular EMI. It goes entirely to principal, so it always saves interest. The real question is *how* you take that saving — as a smaller monthly payment, or as a shorter loan.
What a part payment changes
Your loan has three moving parts: the outstanding principal, the EMI, and the number of EMIs left. A part payment cuts the principal immediately. To keep the loan mathematically consistent, the lender then adjusts one of the other two — and most lenders let you choose which.
Option A: reduce the EMI
Keep the tenure the same and recalculate a lower EMI on the smaller balance. Your monthly outgo drops from the next cycle. This is the better choice if your budget is tight or you want to free up cash flow for other goals.
Option B: reduce the tenure
Keep the EMI the same and let the loan finish earlier. Month to month you feel no change, but the loan ends sooner — sometimes by years on a large prepayment made early.
Which one saves more interest
Reducing the tenure almost always saves more. Interest accrues on the outstanding balance every month, so the faster you clear the balance, the less total interest you pay. Keeping a higher EMI on a smaller balance clears principal faster than dropping the EMI does.
On a ₹30,00,000 home loan at 8.5% for 20 years, a ₹3,00,000 part payment in year 3 might save roughly ₹4–5 lakh in interest if you reduce the EMI, versus roughly ₹8–9 lakh if you reduce the tenure — for the same ₹3,00,000 outlay. The exact figures depend on your rate, tenure and timing.
How to decide for your loan
Run both. The EMI Calculator has a part-payment section that shows Option A and Option B side by side — new EMI, months saved, interest saved, and the net saving after any prepayment charge you enter. Use your real numbers and pick based on the trade-off you can see, not a rule of thumb.
If you're weighing prepayment against investing the same money elsewhere, compare the interest saved here with the return you'd expect using the Compound Interest Calculator. And if you're thinking of clearing the loan entirely, read how to calculate a home loan foreclosure amount.
Frequently asked questions
- Is it better to reduce EMI or tenure after a part payment?
- For total interest saved, reducing the tenure while keeping the EMI usually wins, because the outstanding balance clears faster. Reducing the EMI helps monthly cash flow instead. Compare both for your own loan in the EMI Calculator's part-payment section.
- Does a part payment always reduce interest?
- Yes. Every rupee of a part payment goes to principal, so less interest accrues on the smaller balance for the rest of the loan. The earlier you make it, the bigger the saving.
- Can I make more than one part payment?
- Yes, as often as your lender allows. The EMI Calculator lets you add several part payments at different EMI numbers and shows their combined effect on the schedule.
- Are there charges on a part payment?
- It depends on your loan type, interest-rate type, lender and sanction date. Floating-rate loans to individuals for non-business purposes are generally protected from prepayment charges under RBI's 2025 Directions, but check your sanction letter, loan agreement and Key Facts Statement, and enter any applicable charge in the calculator.
Related guides
- How to calculate a home loan foreclosure amount
Outstanding principal, accrued interest, charges and tax — what goes into a loan foreclosure (pre-closure) figure, and why the bank's number can differ.
- How to calculate EMI (and why the formula looks so intimidating)
A plain-English walkthrough of the EMI formula, what each variable means, and a worked example you can check by hand.
- SIP vs. lumpsum: what the math actually says
Systematic investing and lump-sum investing solve different problems. Here's how to reason about which one fits your situation.
EMI Calculator
Calculate your monthly EMI, full amortization schedule, and part-payment or foreclosure savings.