How Much Do You Save Prepaying ₹1 Lakh Every Year?
For a ₹50L loan at 8.5%, prepaying ₹1 lakh every year saves ₹19.6L in interest and closes the loan 6 years 4 months early. Here are the exact numbers for your loan size.
Last updated: Published 18 March 2026

Published 18 March 2026
The exact interest savings
The table below shows how much interest you save by prepaying ₹1 lakh every year (approximately ₹8,333/month) across three common loan sizes, calculated using full amortisation simulation.
| Loan amount | Rate | Tenure | Total interest (no prepay) | Interest saved | Closes early |
|---|---|---|---|---|---|
| ₹30 lakh | 8.5% | 15 years | ₹23.2 lakh | ₹9.0 lakh | 5 years 3 months |
| ₹50 lakh | 8.5% | 20 years | ₹54.1 lakh | ₹19.6 lakh | 6 years 4 months |
| ₹75 lakh | 9.0% | 20 years | ₹87.0 lakh | ₹24.5 lakh | 4 years 10 months |
Why ₹1 lakh per year is a practical target
₹1 lakh per year, or about ₹8,333/month, is within reach for most salaried homeowners, especially when funded from annual bonuses, increments, or tax refunds.
Unlike a large lump sum which requires significant accumulated savings, a ₹1 lakh annual prepayment can often be planned alongside regular household finances.
The compounding effect of reducing principal early means a relatively modest annual payment creates outsized savings over the life of the loan. Small consistent prepayments beat large infrequent ones precisely because interest is calculated on the outstanding balance every single day.
When to apply the prepayment for maximum impact
Apply prepayments as early in the year as possible, ideally in April at the start of the financial year or immediately when funds are available (bonus payout, tax refund).
Every month you wait before applying a prepayment means interest continues accruing on the full outstanding balance. Applying the same ₹1 lakh in April vs October saves measurably more.
FAQs
Calculate your exact savings
The numbers above are for typical scenarios. Upload your statement to see exactly what ₹1 lakh per year saves on your specific loan.
You can also use our bank-specific calculators for HDFC home loan prepayment, SBI home loan prepayment, or ICICI home loan prepayment to see worked examples for your lender.
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