Loan Prepayment Calculator — MakeMyCred
LOAN PREPAYMENT CALCULATOR

See how much prepaying your loan saves

Compare your original loan to a prepaid scenario. Find out exactly how much interest you save, how many months you shave off, and how a lump sum or extra monthly payment changes everything.

Lump sum + monthly extra
Side-by-side comparison
Full schedule included

Loan & prepayment details

≈ 180 monthly instalments
A one-time extra payment made directly to principal.
When you'll make the lump-sum payment (month number).
Added on top of your EMI every month until the loan closes.
Reduce tenure keeps the same EMI but finishes the loan faster — usually saves the most interest.
Total interest you save ₹0 By prepaying over 15 years
Without prepayment
EMI₹0
Total interest₹0
Total paid₹0
Payoff time
With prepayment
EMI₹0
Total interest₹0
Total paid₹0
Payoff time
Interest saved ₹0
Time saved
COMPARISON SCHEDULE

Original vs. prepaid schedule

See side-by-side how each year looks — with and without your prepayment strategy.

Period Original balance Prepaid balance Interest (orig) Interest (prepaid) Savings

Figures are rounded to the nearest unit. The "Prepaid balance" column reflects your chosen prepayment strategy (lump sum, monthly extra, or both).

WHAT MATTERS

Four factors that decide your savings

Small changes in these have a huge effect on how much you save.

1. How much you prepay

Every extra rupee reduces principal directly. Doubling your prepayment roughly doubles the interest saved — it scales nearly linearly.

2. When you prepay

Timing matters as much as amount. Prepaying in year 1 saves far more than the same amount in year 10, because the outstanding balance (and interest) is highest early.

3. Your interest rate

Higher rates mean more savings from prepayment. A prepayment on a 12% loan saves roughly twice as much interest as the same prepayment on a 6% loan.

4. Tenure strategy

Reducing tenure saves more interest than reducing EMI. Choose tenure reduction if your goal is to minimize total cost; choose EMI reduction if cashflow is tight.

DEEP DIVE

The complete guide to loan prepayment

Why prepaying early is one of the highest-return moves in personal finance.

1. What is loan prepayment?

Prepayment means paying more than your scheduled EMI — either as a one-time lump sum, as a recurring extra monthly amount, or both. Every extra rupee goes directly toward the principal balance, bypassing interest.

Since interest is calculated on the outstanding balance, reducing principal earlier than scheduled means you'll pay less interest in every subsequent month. Over a long tenure, this compounding effect adds up to enormous savings.

2. Why prepaying early beats prepaying later

Here's the key insight: on a reducing-balance loan, more than half your interest is front-loaded into the first few years. A ₹1 lakh prepayment in year 1 of a 20-year loan could save ₹3–4 lakh in interest. The same ₹1 lakh in year 15 might save only ₹20,000.

💡 The best time to prepay a loan is the moment you have surplus cash. Waiting "until you have more" almost always costs you more in the long run.

3. Lump sum vs. monthly extra — which is better?

Both strategies reduce principal and save interest, but they suit different situations:

  • Lump sum: Best when you receive a windfall — bonus, inheritance, property sale, or maturity of an investment. Maximum impact when made early in the loan.
  • Monthly extra: Best when you have steady surplus income each month. Compounding works in your favour here — small consistent amounts add up.
  • Both combined: The most effective approach if your cashflow allows. Use a lump sum for windfalls and a monthly extra for ongoing surplus.

4. Reduce tenure vs. reduce EMI

When you prepay, your lender typically gives you two options:

Option A — Reduce tenure

Your EMI stays the same, but the loan closes faster. This maximizes interest savings because you continue paying the same EMI but for fewer months.

Option B — Reduce EMI

Your tenure stays the same, but your monthly EMI drops. This improves cashflow but saves less interest over the life of the loan.

⚠️ Unless cashflow is a genuine problem, always choose tenure reduction. The interest difference is usually significant.

5. Prepayment penalties — what to watch for

Historically, lenders charged 1–2% of the outstanding amount as a prepayment penalty. In India, the RBI has now prohibited prepayment penalties on floating-rate loans for individual borrowers. Fixed-rate loans may still attract a penalty — always confirm with your lender before prepaying.

Even when a penalty applies, the interest savings usually exceed the penalty — but it's worth running the numbers.

6. When NOT to prepay

Prepayment isn't always the right move. Consider carefully if:

  • You have high-interest credit card debt. Pay that off first — it costs far more than any loan.
  • You don't have an emergency fund. Build 6–12 months of expenses before aggressively prepaying.
  • The loan rate is lower than your investment returns. If your loan is at 7% and you're earning 12% in equity, investing the surplus beats prepaying (mathematically, though not psychologically).
  • Prepayment penalty exceeds savings. Rare, but possible on short-tenure loans nearing maturity.
  • You have tax benefits you'd lose. Home loan interest up to ₹2 lakh/year is tax-deductible. Prepaying reduces this benefit.

7. The math behind the savings

When you prepay X amount at month M, the balance drops by X immediately. All future interest charges are computed on this lower balance. The total interest saved is the sum of the difference in interest charged each month, from month M until the original payoff date.

Because interest compounds against you, even a modest prepayment early in a long loan can save a substantial multiple of the prepaid amount.

✓ Rule of thumb: A prepayment made in year 1 typically saves 2–3x its value in interest over a 20-year loan. In year 10, that drops to roughly 1x. In year 15, less than 0.5x.

8. How to use this calculator

  1. Enter your original loan details — amount, rate, tenure.
  2. Enter a lump-sum prepayment amount and the month you'll pay it.
  3. Optionally add a monthly extra payment that continues until the loan closes.
  4. Choose whether to reduce tenure (default) or reduce EMI.
  5. Review the side-by-side comparison and the savings highlighted at the top.
  6. Scroll to the comparison schedule to see the balance trajectory year by year.

9. A worked example

Take a ₹20 lakh loan at 9% for 15 years. Without prepayment:

  • EMI ≈ ₹20,285
  • Total interest ≈ ₹16.5 lakh
  • Total paid ≈ ₹36.5 lakh

Now add a ₹1 lakh lump sum in month 12 and ₹5,000 per month extra:

  • New payoff time: roughly 11 years (4 years saved)
  • New total interest ≈ ₹11.4 lakh
  • Interest saved: over ₹5 lakh

That's more than 5x the total prepaid amount. The compounding effect is real — and this is exactly what makes prepayment one of the highest-return financial moves available.

10. Final thoughts

Prepayment is a powerful tool, but it's not free — it comes at the cost of liquidity. Every rupee you put toward your loan is a rupee you can't spend on something else. The right answer depends on your interest rate, investment opportunities, emergency fund, and psychological comfort with debt.

For most borrowers, prepaying early and consistently is a solid, low-risk decision. If you're unsure, run the numbers in this calculator and see how much you'd save — often the answer makes itself obvious.

QUESTIONS

Frequently asked questions

Over 35 common questions about loan prepayment, answered.

Prepayment is paying more than your scheduled EMI — either as a one-time lump sum or as recurring extra monthly payments. The entire extra amount goes directly toward your outstanding principal.

Interest is calculated on the outstanding balance. When you prepay, the balance drops immediately, so all future interest charges are lower. Over time, this compounds into substantial savings.

Early, always. Since interest is front-loaded into the early years of a loan, a prepayment in year 1 saves far more than the same amount in year 10. A ₹1 lakh prepayment in year 1 of a 20-year loan can save ₹3–4 lakh in interest.

Both work. Lump sum suits windfalls (bonus, inheritance). Monthly extra suits steady surplus income. Combining both is most effective — use each for its natural source.

Reduce tenure unless cashflow is genuinely tight. Reducing tenure keeps your EMI the same but finishes the loan faster — usually saving 2–3x more interest than the EMI reduction option.

In India, RBI rules prohibit prepayment penalties on floating-rate loans to individual borrowers. Fixed-rate loans may still attract 1–2% penalties. Confirm with your lender.

Yes. Partial prepayment is standard on most loans. You can usually prepay any amount above a lender-specified minimum, as many times as you like.

Not directly. It may cause a small temporary dip because the loan closes early, but the effect is minor and short-lived. Long-term, prepayment usually helps because you carry less debt.

As much as you can comfortably spare while keeping 6–12 months of expenses as an emergency fund. Prepaying from your emergency fund is risky — a single unexpected event could force you into worse debt.

If your loan rate is higher than expected investment returns (after tax), prepay. If lower, invest. Psychologically, many prefer prepaying because the return is guaranteed. A hybrid approach is also valid.

Prepaying reduces your interest deduction (up to ₹2 lakh/year under Section 24b). The tax you save on that interest partially offsets your interest cost. Run the numbers if you're in a high tax bracket.

Depends on your choice. If you reduce tenure, EMI stays the same. If you reduce EMI, it changes in the next billing cycle. Most lenders let you pick at the time of prepayment.

For floating-rate loans, yes. Fixed-rate loans may have a lock-in period (usually 1–3 years) during which prepayment is restricted or charged extra.

Most lenders require a minimum prepayment (often ₹10,000–₹25,000, or one EMI). No maximum, as long as it doesn't exceed the outstanding balance.

No. Prepayment is separate from your EMI. You still pay the EMI for that month, and the extra amount is applied on top of it toward principal.

Only if your prepayment equals the full outstanding balance. Partial prepayments reduce the balance and shorten tenure (or lower EMI), but the loan continues until the balance is zero.

Fixed-rate loans typically allow prepayment but may charge 1–2% of the prepaid amount as a penalty. Even with the penalty, savings usually exceed the cost — but verify.

Yes, but personal loans often carry prepayment penalties (2–4%) because lenders lose the high-interest income. Read your agreement carefully — sometimes the penalty cancels out the savings.

Car loans typically have shorter tenures (3–7 years) and higher rates. Prepaying can save meaningful interest, but the smaller balance means the total savings is modest compared to home loans.

Your lender recalculates the EMI based on the new lower balance over the remaining tenure. The EMI drops — how much depends on the size of your prepayment.

Always — regardless of whether you reduce tenure or EMI. Reducing tenure saves more, but even EMI reduction lowers the total interest you pay because the balance falls faster.

Yes, prepayment is a joint decision. Either co-applicant can contribute, and the lender applies it to the shared loan. Tax benefits are typically split based on ownership share.

Yes — by reducing interest paid, you reduce the tax deduction available on that interest. On a home loan, you can deduct up to ₹2 lakh/year. Prepaying early shrinks this benefit.

There's no universal ideal. Prepay as much as you can while maintaining a healthy emergency fund and without sacrificing higher-return opportunities. Even small recurring prepayments add up significantly over time.

Usually no approval is needed — you simply notify the lender and pay. Some lenders require you to submit a prepayment request form, but it's a formality, not an approval.

Yes — prepayment applies to the combined balance. If you have a top-up loan on the same account, prepaying reduces the total outstanding.

Prepay if: your rate is high, you have an emergency fund, you're early in the loan, and you have no high-interest debt. Skip it if: your rate is low, you have no emergency fund, or you have better investment opportunities.

Yes — the loan will be marked as "closed" once fully prepaid. This generally improves your credit profile because it lowers your overall debt-to-income ratio.

Prepayment is any extra payment toward the loan. Foreclosure is closing the loan entirely by paying off the full outstanding balance. Foreclosure is a specific case of prepayment.

Credit utilisation applies to credit cards, not loans. Prepayment doesn't directly affect utilisation, but it does reduce your overall debt, which is a positive signal for credit scoring.

Yes. Monthly extra payments are entirely voluntary. You can stop at any time and revert to your original EMI schedule (though the tenure will already be shorter than the original).

For floating-rate loans in India, lenders cannot refuse prepayment — RBI rules protect you. If refused, escalate to the lender's grievance officer or the RBI Ombudsman.

Yes — the interest saved is mathematically certain, assuming you stick with the loan and don't refinance. Unlike investment returns, prepayment savings are guaranteed and tax-free.

Very close but not exact to the rupee. Lenders use slightly different rounding conventions and may charge day-wise interest between payments. Expect your actual savings to be within 1–2% of this estimate.

The interest you save is money that stays in your pocket rather than going to the lender. Think of it as a guaranteed return on your prepayment — you can redirect that monthly cash flow toward savings, investments, or other goals.

This calculator provides estimates for general guidance only, based on the figures you enter. Actual prepayment savings depend on your lender's policies, day-count conventions, and any applicable penalties. This is not financial advice.

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