A Handy Guide to Understanding Loan Amortisation

Loan amortisation means gradually paying off a debt like a mortgage loan through regular, fixed payments (usually monthly) that cover both the principal (the actual loan amount) and the interest, with early payments focusing more on interest and later payments focusing more on the principal, reducing the loan balance over time. An amortisation schedule details this breakdown, showing how each payment splits between interest and principal, creating predictable budgeting for borrowers.
Home Loan
2 min
05 December 2025

When you take out a loan, it is important to know how you will pay it back. One key concept to understand is loan amortisation. This term describes how your loan payments are structured over time. Let us break it down simply.

What is loan amortisation?

Loan amortisation refers to the process of repaying a loan through regular instalments that combine both interest and the original amount borrowed. At the beginning of the loan term, a larger share of each payment goes towards interest, while a smaller portion reduces the principal. As time goes on, this gradually reverses, helping you bring down the outstanding balance more quickly. This repayment method is commonly used for home loans, car loans, and many personal loans. Understanding how amortisation works can help you plan your finances better by showing how each payment steadily lowers your debt.

Key takeaways

  • An amortised loan is repaid through scheduled instalments that include both interest and principal.
  • Early payments mostly cover interest, while later payments contribute more towards reducing the principal balance.
  • Home loans, auto loans, and various personal loans usually follow an amortisation structure.
  • Making extra payments towards the principal can help you finish the loan sooner and reduce total interest costs, even though your monthly instalment stays the same.
  • An amortisation schedule provides a clear breakdown of how every payment is divided between interest and principal across the loan term.

Why is loan amortisation important?

Understanding loan amortisation is crucial for several reasons:

  • Budgeting: Knowing how much you need to pay each month helps you plan your finances better.
  • Interest costs: You can see how much interest you will pay over the life of the loan, allowing you to make informed decisions.
  • Early payoff: If you wish to pay off your loan early, understanding amortisation helps you know how much extra you need to pay.

How does loan amortisation work?

Loan amortisation works by spreading out your loan payments over time. Here is how it typically works:

  • Fixed payments: You make the same payment amount each month.
  • Interest and principal: Each payment is split between interest and principal. At the start, more of your payment goes towards interest. Over time, more goes towards the principal.
  • Amortisation schedule: This home loan amortisation schedule shows each payment, how much goes to interest, how much goes to principal, and the remaining balance.

How is loan amortisation calculated?

To calculate loan amortisation, you need three main pieces of information:

  • Loan amount: The total amount borrowed.
  • Interest rate: The annual interest rate on the loan.
  • Loan term: The time frame to repay the loan, typically measured in years.

You can use the following formula to calculate your monthly payment (M):

M=P×(1+r)n−1r(1+r)n

Where:

  • M = monthly payment
  • P= principal amount (loan amount)
  • r = monthly interest rate (annual rate divided by 12)
  • n= Total number of payments (loan term in months)

Example of loan amortisation

Let us say you take a home loan of Rs. 50,00,000 at an interest rate of 8.50% for 20 years. Your monthly payment would be about Rs. 43,391. Here is how the first few payments might look:

Payment Interest Principal Balance
1 Rs.35,417 Rs. 7,974 Rs. 49,92,026
2 Rs. 35,360 Rs. 8,031 Rs. 49,84,995
3 Rs. 35,302 Rs. 8,089 Rs. 49,76,906


As you can see, the interest portion decreases over time, and the principal portion increases.

What is the simple meaning of amortised?

The term amortised is used to describe a repayment method where a loan is paid off over time through fixed, periodic instalments. Each payment is divided into two parts: one portion goes towards the interest charged for that month, and the rest lowers the principal amount you still owe. This approach is common for loans such as fixed-rate mortgages and personal loans. As payments continue, you gradually reduce your debt until the full amount has been cleared.

Benefits of loan amortisation

  • Easy budgeting: Fixed payments make it easier to budget your finances.
  • Debt reduction: Regular payments help you steadily reduce your debt.
  • Interest savings: Over time, you pay less interest as the principal decreases.

Managing home loans with loan amortisation

When you take a home loan, understanding loan amortisation can help you manage your payments better. Here are some tips:

  • Use an amortisation calculator: This tool helps you see how your payments are split and how much you owe over time.
  • Make extra payments: Paying extra towards the principal can reduce your interest costs and shorten the loan term.
  • Refinance: If interest rates drop, consider refinancing your loan to save on interest.

Conclusion

Amortised loans are repaid through regular instalments that include both interest and principal. At the start, borrowers mainly pay interest, but as the loan progresses, more of each payment goes towards reducing the outstanding balance. This shift helps lower the total interest paid over time. Adding extra payments towards the principal can reduce the overall term of the loan and cut down on interest expenses, even though your monthly instalment remains unchanged. Using an amortisation schedule can make it easier to track how each payment contributes to clearing your loan.

Helpful resources and tips for home loan borrowers

Home Loan Amortization Schedule

Commercial Property Loan

Home Loan Interest Rate

What is Home Loan

Home Loan Documents

Home Loan Sanction Letter

Home Loan Balance Transfer

Joint Home Loan

Home Loan Eligibility Criteria

Home Loan Tax Benefits

Home Loan Subsidy

Home Loan Processing Fees

Rural Home Loans

Home Loan Process

Down Payment for Home Loan

Pre-approved Home Loan

What is Subsidy?

Housing Loan Top Up

Home Loan Tax Benefits

Current Repo Rate

 


Popular calculators for your financial calculations

Stamp Duty Calculator

Home Loan Tax Benefit Calculator

Income Tax Calculator

Home Loan Eligibility Calculator

Home Loan Prepayment Calculator

Home Loan Calculator

Frequently asked questions

What happens if I miss a loan EMI payment?
Missing a loan EMI payment can lead to penalties, additional interest charges, and a negative impact on your credit score. The lender may send reminders or notices, and if missed payments persist, they could initiate legal action or recover the loan through other means.

Can I pay off my loan early?
Yes, you can pay off your loan early, but it may come with a prepayment penalty, depending on your lender's policies. Paying off a loan early can save you interest costs, but check your loan agreement for any conditions or fees associated with early repayment.

How does loan amortisation affect interest rates?
Loan amortization does not directly affect interest rates, but it determines how your payments are structured over time. In amortised loans, early payments are mostly interest. As you pay down the principal, your interest costs decrease, which can lead to overall savings in interest over the loan's term.

Show More Show Less

Bajaj Finserv App for All Your Financial Needs and Goals

Trusted by 50 million+ customers in India, Bajaj Finserv App is a one-stop solution for all your financial needs and goals.

You can use the Bajaj Finserv App to:

  • Apply for loans online, such as Instant Personal Loan, Home Loan, Business Loan, Gold Loan, and more.
  • Explore and apply for co-branded credit cards online.
  • Invest in fixed deposits and mutual funds on the app.
  • Choose from multiple insurance for your health, motor and even pocket insurance, from various insurance providers.
  • Pay and manage your bills and recharges using the BBPS platform. Use Bajaj Pay and Bajaj Wallet for quick and simple money transfers and transactions.
  • Apply for Insta EMI Card and get a pre-approved limit on the app. Explore over 1 million products on the app that can be purchased from a partner store on Easy EMIs.
  • Shop from over 100+ brand partners that offer a diverse range of products and services.
  • Use specialised tools like EMI calculators, SIP Calculators
  • Check your credit score, download loan statements and even get quick customer support—all on the app.
Download the Bajaj Finserv App today and experience the convenience of managing your finances on one app.

Do more with the Bajaj Finserv App!

UPI, Wallet, Loans, Investments, Cards, Shopping and more

Disclaimer

1. Bajaj Finance Limited (“BFL”) is a Non-Banking Finance Company (NBFC) and Prepaid Payment Instrument Issuer offering financial services viz., loans, deposits, Bajaj Pay Wallet, Bajaj Pay UPI, bill payments and third-party wealth management products. The details mentioned in the respective product/ service document shall prevail in case of any inconsistency with respect to the information referring to BFL products and services on this page.

2. All other information, such as, the images, facts, statistics etc. (“information”) that are in addition to the details mentioned in the BFL’s product/ service document and which are being displayed on this page only depicts the summary of the information sourced from the public domain. The said information is neither owned by BFL nor it is to the exclusive knowledge of BFL. There may be inadvertent inaccuracies or typographical errors or delays in updating the said information. Hence, users are advised to independently exercise diligence by verifying complete information, including by consulting experts, if any. Users shall be the sole owner of the decision taken, if any, about suitability of the same.
For customer support, call Personal Loan IVR: 7757 000 000