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EMI Prepayment Calculator – Calculate Interest Savings & Tenure Reduction

Find out exactly how much time and money you can save by making a one-time or monthly part-prepayment on your loan.

Loan Details
Loan Amount ₹50,00,000
%
Current Payment
months
Completion 24 months
Savings Summary
₹8,45,250
Total Interest Savings
Significant Savings
₹49,250
Regular EMI
₹42,150
New EMI
₹38,45,000
Regular Total Interest
₹29,99,750
New Total Interest
Repayment Progress
Regular Loan
45%
With Prepayment
65%
8.3 years
Regular Remaining
5.2 years
Prepayment Remaining
3.1 years
Tenure Reduced
185%
ROI on Prepayment
Detailed Comparison
Parameter Regular EMI With Prepayment Savings
Monthly EMI ₹49,250 ₹42,150 ₹7,100
Remaining Tenure 8.3 years 5.2 years 3.1 years
Total Interest Paid ₹38,45,000 ₹29,99,750 ₹8,45,250
Total Payment ₹88,45,000 ₹79,99,750 ₹8,45,250
Interest/Principal Ratio 77% 60% 17% less

How EMI vs Prepayment Calculator Works

When you take a loan, your early EMIs consist mostly of interest, with very little going toward the principal. By making a part-prepayment, you make a lump-sum payment directly against the principal amount. Because interest is calculated on the outstanding principal, reducing this amount immediately stops future interest from accumulating, drastically reducing your total interest outgo.

EMI Calculation

Calculates regular EMI using the standard reducing balance formula: EMI = [P × R × (1+R)^N] / [(1+R)^N - 1], where P is principal, R is monthly interest rate, and N is tenure in months.

Prepayment Analysis

Recalculates the outstanding principal after applying your prepayment amount, and instantly generates a new amortization schedule showing exactly how much tenure or EMI is reduced.

Key Benefits of Prepayment

20-40%
Total Interest Savings
2-5 Years
Tenure Reduction
150-200%
ROI on Prepayment

Frequently Asked Questions

How much interest can I save by making a prepayment?
Making a prepayment directly reduces your principal amount. Since interest is calculated on the remaining principal, even a small prepayment can save you lakhs in total interest over a 20-year loan tenure.
Should I reduce my EMI or tenure when making a prepayment?
If you want to lower your monthly financial burden, reduce the EMI. However, if you want to maximize your interest savings and become debt-free faster, you should choose to reduce the loan tenure.
Does reducing tenure save more than reducing EMI?
Yes, reducing tenure usually saves significantly more total interest compared to lowering EMI, because the loan is closed earlier, stopping interest accumulation completely.
Pro Tip

Make annual prepayments equal to 5-10% of your outstanding loan amount. Doing this in the first 5 years can reduce your total tenure by 30-40%.