Loan Prepayment Calculator
Prepaying a loan means paying an extra sum towards your outstanding principal. Because interest is computed monthly on reducing balance, reducing principal accelerates compounding in your favor, cutting down years off your loan.
Input Calculation Parameters
₹
%
Years
₹
Calculation Results
Estimated Interest Saved
0
New Tenure (Months Reduced)
0
How the Calculation Works
Subtracts prepayment from outstanding principal and recalculates remaining amortized tenure while keeping monthly EMI constant.
Worked Example
Here is a step-by-step example calculation for ₹50 Lakh Home Loan @ 8.5% — Prepaying ₹5 Lakh at Year 3:
| Parameter | Value |
|---|---|
| Original Loan | ₹50,000,000 |
| Prepayment | ₹500,000 |
| Interest Saved | ₹12,45,000+ |
| Tenure Reduced | Approx 3.5 Years |
Scenario Analysis
Comparing different tenures, interest rates, or investment horizons:
| Scenario Label | Key Metric |
|---|---|
| ₹2 Lakh Prepayment | Interest Saved: ₹5,10,000, Tenure Reduction: 1.5 Years |
| ₹5 Lakh Prepayment | Interest Saved: ₹12,45,000, Tenure Reduction: 3.5 Years |
| ₹10 Lakh Prepayment | Interest Saved: ₹23,80,000, Tenure Reduction: 6.2 Years |
Common Mistakes to Avoid
- Prepaying loans using emergency funds needed for healthcare or family safety nets.
- Choosing EMI reduction instead of tenure reduction when overall interest minimization is the goal.
Frequently Asked Questions (FAQs)
Are there prepayment penalties on home loans?
Under RBI regulations, banks cannot charge prepayment penalties on individual floating rate home loans.
Authoritative Sources & Regulatory References
Author: SmartPaisa Financial Research Team
Reviewer: Reviewed by Financial Engineering Team
Last Reviewed: 2026-08-17
Financial Disclaimer: This calculator provides estimates for educational purposes only based on standard mathematical formulas and current Indian regulatory guidelines. Actual returns, taxes, or EMI payments may vary depending on bank policies, market volatility, or individual tax brackets. Consult a SEBI-registered investment advisor or Chartered Accountant (CA) before making financial decisions.
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