What is the home loan principal amount?
The home loan principal amount is the amount of money initially borrowed from the lender, and as the loan is repaid, it can also refer to the amount of money still owed. If you avail a home loan of Rs. 50 lakhs, the principal is Rs. 50 lakhs. If you pay off Rs. 10 lakhs, the principal balance will be Rs. 40 lakh.
Conversely, interest is the amount of money the lender charges on top of the principal amount, and is calculated based on the home loan interest rate and the amount of the principal outstanding.
Power of prepayment
Prepaying your home loan is one of the simplest ways to bring down your outstanding principal faster and reduce the total interest you pay over time. Since interest is charged on the remaining balance, any additional amount you pay directly lowers the principal, which in turn reduces future interest calculations.
Even small, consistent efforts can make a noticeable difference. For instance, paying one extra EMI each year can shorten a long-term loan—such as a 20-year tenure—by a few years. Similarly, increasing your EMI gradually, say by 5% annually as your income grows, can significantly cut down both the repayment period and the overall interest burden.
These strategies do not require large lump sums but rely on disciplined, incremental payments. Over time, this approach can help you save several lakhs in interest and become debt-free much earlier than planned.
What is the principal amount?
The principal amount in a home loan refers to the initial amount borrowed by the borrower from the lender to finance the purchase of a home or property. It is the original loan amount that the borrower agrees to repay over the tenure of the loan. In a home loan, the loan amount is typically used to cover the cost of the property, and the borrower agrees to make regular payments, known as equated monthly instalments (EMIs), to repay both the principal and the interest charged by the lender.
Over the course of the loan repayment, the proportion of the EMI dedicated to the principal amount and the interest amount changes. In the early years of the loan, a larger portion of the EMI goes toward paying off the interest, while in the later years, a larger portion is applied to the principal.
Conversely, interest is the amount of money the lender charges on top of the principal amount, and is calculated based on the home loan interest rate and the amount of the principal outstanding.
Principal amount and interest
Each EMI can be broken up into interest and principal components, which changes as you repay the loan. You can use a home loan calculator to compare your principal and interest amount. Lenders create an amortization schedule, which shows the amount going towards interest and principal repayment each month. In this schedule, the amount going towards paying off the principal gets progressively bigger every year at a faster rate.
What is the formula of principal amount?
Let’s understand how to calculate the principal amount of a loan using a simple formula.
Suppose you take a Personal Loan of Rs. 40 lakh in India at an interest rate of 10.99% per annum for a tenure of 6 years. The principal (P) represents the original amount borrowed before adding interest. To estimate this, a standard compound interest-based formula can be applied, which considers how the loan grows over time due to interest.
Here’s a simplified representation: P = 40,00,000 ÷ (1 + 0.1099)^(1×6)
This formula helps reverse-calculate the base amount by factoring in the interest rate and loan duration. While the exact calculation may vary depending on compounding frequency, the idea remains the same—identifying the original borrowed sum before interest is added.
To break down your EMI into principal and interest portions more easily, you can use an online loan calculator. Such tools simplify financial planning and give a clearer picture of your repayment journey.
Principal amount amortisation
Principal amount amortisation refers to the process of gradually paying off the principal balance of a loan or debt over a specified period of time through regular payments. This is typically done in installment loans such as mortgages, car loans, or personal loans.
Here is the amortisation table for a loan amount of Rs. 1,00,000 with a tenure of 10 years and an interest rate of 8.50%:
Payment number |
Beginning balance (Rs.) |
Interest (Rs.) |
Principal (Rs.) |
Ending balance (Rs.) |
1 |
1,00,000 |
8,500 |
1,505 |
98,495 |
2 |
98,495 |
8,397 |
1,608 |
96,886 |
3 |
96,886 |
8,254 |
1,752 |
95,135 |
4 |
95,135 |
8,087 |
1,919 |
93,216 |
5 |
93,216 |
7,929 |
2,076 |
91,139 |
6 |
91,139 |
7,767 |
2,239 |
88,900 |
7 |
88,900 |
7,566 |
2,440 |
86,460 |
8 |
86,460 |
7,368 |
2,638 |
83,822 |
9 |
83,822 |
7,115 |
2,892 |
80,930 |
10 |
80,930 |
6,780 |
3,227 |
77,703 |
Please note that the values are rounded for simplicity. This table shows the breakdown of each payment, including the interest and principal components, and how the outstanding balance decreases with each instalment over the 10-year term.
Also read: How to calculate home loan EMI?
How do you repay the principal amount?
Repaying the principal amount of a loan usually happens through regular monthly instalments, commonly known as EMIs. Each EMI includes two parts—one goes towards reducing the principal, while the other covers the interest charged by the lender.
These repayments are spread across a fixed tenure, which can range from a few months to several years. The duration depends on your loan agreement and repayment capacity. A longer tenure reduces EMI burden but slows principal repayment.
You may also choose to make lump sum payments whenever you have extra funds. This directly reduces the outstanding principal, which in turn lowers the total interest payable and may shorten the loan tenure.
Some lenders allow part-prepayments without extra charges, giving you flexibility. Always review your loan terms carefully to understand any conditions related to prepayments or additional charges before making extra payments.
How to figure out the principal amount of your loan?
If you already have a loan and want to find out your remaining principal, there are several simple methods available.
First, check your loan account statement. Most lenders provide detailed statements showing the opening balance, principal repaid, and the remaining outstanding amount for a given period.
You can also use an online EMI calculator. By entering details like loan amount, interest rate, tenure, and EMI, you can see how much of your payments have gone towards the principal so far. Subtract this from the original amount to estimate the balance.
Another option is to contact your lender directly. They can provide the latest outstanding principal based on your repayment record and account details.
Lastly, you can calculate it yourself by subtracting the total principal repaid through EMIs from the original sanctioned amount. The result will be your current outstanding principal.
Conclusion
The principal amount forms the base of any loan and determines how interest and EMIs are calculated. It is the starting point of your borrowing journey and directly affects your repayment obligations.
Before taking a loan, it is important to choose a principal amount that matches your financial capacity. Careful planning and consistent repayments help ensure that the loan is managed efficiently and cleared within the agreed timeframe.
Frequently asked questions
The initial principal is the total amount you borrow at the start of the loan. It is the figure used to calculate your EMI and interest. The outstanding principal, however, is the remaining amount you still need to repay at any given time. As you continue making EMIs, the principal reduces gradually until it becomes zero by the end of the tenure.
The principal amount plays a major role in deciding your EMI. A higher principal leads to higher EMIs because interest is calculated on this base amount. If you borrow less or make a higher down payment, your EMI reduces. This makes the loan easier to manage, as both the interest and total repayment amount decrease accordingly.
Loan repayments follow a reducing balance method. In the early stages, the outstanding principal is high, so a larger part of your EMI goes towards interest. As you continue paying, the principal reduces, and the interest portion becomes smaller. Gradually, more of your EMI starts contributing towards repaying the principal instead of interest.
No, these two terms are not always the same. The sanctioned amount is the maximum loan approved by the lender. The principal amount is the actual sum you choose to borrow. For example, if Rs. 1 crore is approved but you use only Rs. 80 lakh, then Rs. 80 lakh becomes your principal, and interest is charged only on that amount.
Prepayments reduce your outstanding principal directly. Since interest is calculated on the remaining balance, lowering the principal reduces future interest charges. Making early or regular prepayments can shorten your loan tenure and save a significant amount on interest, making your overall loan more cost-effective.
In India, principal repayment on home loans qualifies for tax deductions under Section 80C. You can claim up to Rs. 1.5 lakh in a financial year on the principal portion of your EMIs. However, certain conditions apply, such as retaining ownership of the property for a minimum specified period to continue enjoying these benefits.
No, the principal amount only refers to the actual sum borrowed from the lender. It does not include processing fees, taxes, or other administrative costs. These charges are either paid separately or added to the total loan cost but are not considered part of the principal used for interest calculation.
You can check your outstanding principal through your loan statement, which provides a detailed breakdown of repayments. Many lenders also offer online access via websites or mobile apps where you can view real-time loan details. Alternatively, you can request this information directly from your lender for accurate and updated figures.
Loan tenure significantly impacts how quickly your principal reduces. A shorter tenure means higher EMIs but faster principal repayment. On the other hand, a longer tenure lowers your EMI burden but slows down the reduction of principal. This also increases the total interest paid over time due to the extended repayment period.
Generally, the principal amount remains fixed once the loan is disbursed. However, it can change in certain situations. For example, making prepayments reduces the outstanding principal, while opting for a top-up loan increases it. Loan restructuring or recasting may also alter the principal balance under specific conditions.
The principal amount in a loan can be calculated by subtracting the total interest from the total repayment amount. In simple terms, Principal = Total Amount Paid – Total Interest Paid. In EMI-based loans, the principal is the original sum borrowed, such as Rs. 20,00,000. Each EMI includes both interest and principal repayment, and over time, the principal component increases while the interest portion reduces.
The sanction amount and principal amount are usually the same at the start of a home loan. The sanction amount refers to the loan approved by the lender, for example, Rs. 30,00,000. This becomes the principal amount once the loan is disbursed. However, as you repay the loan through EMIs, the outstanding principal keeps reducing, while the original sanction amount remains unchanged.
The principal amount is the original sum borrowed from the lender, such as Rs. 25,00,000 in a home loan. The total amount, on the other hand, includes the principal plus the total interest payable over the loan tenure. For example, if you repay Rs. 40,00,000 over time, then Rs. 25,00,000 is the principal and the remaining Rs. 15,00,000 is the interest charged by the lender.
