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Personal Loan
What is reducing interest rate?
Key Takeaways
A reducing interest rate means interest is calculated on the outstanding loan balance, reducing your total cost over time.
- Compared to flat rates, a reducing interest rate is more cost-effective, especially for longer tenures.
- Tools like a personal loan calculator or EMI calculator help you estimate repayments accurately.
- Choosing the right lender ensures transparent pricing and competitive personal loan interest rates.
What is reducing interest rate? (Meaning explained)
A reducing interest rate is a method of calculating interest where interest is charged only on the remaining loan balance, not the original principal. As you repay the loan, the interest amount decreases over time.
This is why it is also called:
Diminishing interest rate
Reducing balance method
In simple terms:
Your EMI stays constant
The interest portion decreases
The principal repayment increases over time
READ MORE
How does reducing interest rate work?
When you take a loan, each EMI consists of:
Interest component
Principal repayment
Under a reducing interest rate, interest is recalculated every month based on the remaining principal.
Example:
Suppose:
Loan amount = ₹1,00,000
Interest rate = 10% p.a.
Tenure = 12 months
Month 1:
Interest calculated on ₹1,00,000 ≈ ₹830
EMI paid → part goes to interest, rest reduces principal
Month 2:
Interest calculated on reduced balance (~₹92,039)
Interest drops to ~₹764
Over time:
Interest keeps decreasing
Principal repayment increases
Total interest paid is lower
Instead of manual calculation, using a personal loan EMI calculator to get a faster and more accurate estimate of your EMI and repayment schedule before you apply for personal loan options.
What are the benefits of reducing interest rate
1. Lower overall interest cost
Interest is charged only on the outstanding amount, reducing total repayment
2. Greater transparency
You can clearly see how each EMI reduces your principal
3. Cost-effective for long-term loans
Savings are more significant for longer tenures
4. Better financial planning
Stable EMIs with declining interest burden make budgeting easier
“A reducing interest rate ensures that every EMI works more efficiently, helping you save more as your loan progresses.”
What is the difference between reducing and flat interest rate
A reducing interest rate is more cost-effective than a flat interest rate because interest is calculated on the remaining balance instead of the full loan amount.
Feature |
Reducing Interest Rate | Flat Interest Rate |
| Interest Calculation | On outstanding balance | On full loan amount |
| Total Interest Cost | Lower | Higher |
| Transparency | High | Low |
| Suitability | Most loans | Short-term or simple loans |
Key insight:
Even if a flat rate looks lower, the effective cost is usually higher than a reducing interest rate.
Why reducing interest rate matters for personal loans
When you apply for personal loan products in India, most lenders use the reducing interest rate method.
This impacts:
Your personal loan interest rate
Your monthly EMI
Your total repayment amount
Even a small difference in rate (e.g., 0.5%) can significantly impact total interest paid.
How to plan your loan better
Before applying, you should:
Use a personal loan calculator to estimate EMIs
Compare reducing vs flat interest rate offers
Check total repayment, not just EMI
Ensure EMI fits within your monthly budget
This helps you avoid over-borrowing and ensures long-term affordability.
How FIRSTmoney makes borrowing smarter
With FIRSTmoney by IDFC FIRST Bank, loans are structured around transparent pricing aligned with the reducing interest rate method.
Key features:
Competitive personal loan interest rate starting from 9.99% p.a.
100% digital application process
Quick disbursal within 10 minutes
Flexible repayment tenure (9 to 60 months)
Zero foreclosure charges
On-demand loans from your approved loan offer
Conclusion
A reducing interest rate is one of the most efficient and borrower-friendly ways to calculate loan interest. By charging interest only on the outstanding balance, it helps:
Lower your total borrowing cost
Improve transparency
Make repayment more manageable
When you apply for personal loan options, understanding how the reducing interest rate works can help you make smarter financial decisions.
With digital-first solutions like FIRSTmoney, you get the added advantage of competitive rates, flexibility, and a seamless borrowing experience, helping you stay in control of your finances.
Frequently Asked Questions
What is reducing interest rate in simple terms?
It means you pay interest only on the remaining loan amount, not the original loan.
Is reducing interest rate better than flat rate?
Yes, because it results in lower total interest cost over time.
Does EMI change in reducing interest rate loans?
No, EMI remains constant, but the interest and principal components change.
How can I calculate EMI for reducing interest rate?
You can use a personal loan EMI calculator for quick and accurate results.
Do all personal loans use reducing interest rate?
Most banks in India use the reducing interest rate method for personal loans.
Disclaimer
The contents of this article/infographic/picture/video are meant solely for information purposes. The contents are generic in nature and for informational purposes only. It is not a substitute for specific advice in your own circumstances. The information is subject to updation, completion, revision, verification and amendment and the same may change materially. The information is not intended for distribution or use by any person in any jurisdiction where such distribution or use would be contrary to law or regulation or would subject IDFC FIRST Bank or its affiliates to any licensing or registration requirements. IDFC FIRST Bank shall not be responsible for any direct/indirect loss or liability incurred by the reader for taking any financial decisions based on the contents and information mentioned. Please consult your financial advisor before making any financial decision.
The features, benefits and offers mentioned in the article are applicable as on the day of publication of this blog and is subject to change without notice. The contents herein are also subject to other product specific terms and conditions and any third party terms and conditions, as applicable. Please refer our website www.idfcfirst.bank.in for latest updates.
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