Principal
Definition
The original sum of money borrowed in a loan or invested. In a loan context, the principal is the amount you owe excluding interest. Each EMI payment reduces the outstanding principal.
Why is Principal Important?
When applying for a loan in India—whether it's a home loan, personal loan, or car loan—the concept of Principal plays a significant role in determining your total borrowing cost. Lenders use factors like this to assess credit risk, determine eligibility, and structure your EMI schedule. Understanding this term helps borrowers negotiate better interest rates, choose the right loan product, and save money over the loan tenure.
For accurate financial planning, it is highly recommended to use our free online calculators to see how Principal impacts your specific scenario. Real-time calculations provide clarity on monthly outgoes, principal vs. interest components, and long-term financial burdens.
What is Principal?
Principal is the original amount of money borrowed from a lender or invested in a financial instrument, excluding any interest, fees, or earnings. In a loan context, it is the base amount on which interest is calculated. As you repay a loan, the outstanding principal decreases, which in turn reduces the interest charged each month under the reducing balance method.
Principal vs. Interest
| Aspect | Principal | Interest |
|---|---|---|
| What it is | Original borrowed amount | Cost of borrowing |
| Changes over time? | Decreases with each EMI | Decreases as principal reduces |
| Tax benefit | Sec 80C (up to ₹1.5L on home loan) | Sec 24(b) (up to ₹2L on home loan) |
Example
If you borrow ₹50,00,000 for a home loan at 8.5% for 20 years, your total repayment will be approximately ₹1,04,74,000 — of which ₹50,00,000 is principal and ₹54,74,000 is interest. Prepaying even ₹5,00,000 in the first 3 years can save over ₹8,00,000 in total interest.