Simple Interest is a method of calculating the interest amount charged on the principal, or original, amount of a loan or investment. It is a quick and easy way to compute the interest for a period based on the initial amount, rate of interest, and time duration. Unlike compound interest, where interest is added to the principal and interest is calculated on the new balance, simple interest remains fixed and does not compound.
The formula to calculate simple interest is:
Where:
If you invest ₹10,000 for 3 years at an annual interest rate of 5%, the simple interest can be calculated using the formula:
Thus, the interest earned after 3 years will be ₹1,500, and the total amount (Principal + Interest) will be ₹11,500.
Simple interest works by calculating the interest solely on the principal amount. Whether you’re borrowing money or investing it, the interest is determined only on the initial sum over the duration specified. This makes it easier to predict how much interest will be charged or earned, especially in short-term loans or savings instruments where compounding is not involved.
The simple interest formula is extremely useful in:
Simple interest is a method of calculating interest on the principal, where interest is charged only on the initial sum of money, not on the interest that accumulates over time.
The formula for calculating simple interest is:
Where P is the principal, R is the rate of interest per annum, and T is the time in years.
Simple interest is used in car loans, short-term personal loans, government bonds, and certain types of savings accounts.
Simple interest is calculated only on the principal amount, while compound interest is calculated on both the principal and the accumulated interest. In simple interest, the interest amount remains constant, whereas in compound interest, the interest grows exponentially over time.
It depends on the context. For borrowers, simple interest is generally better because it results in lower total interest payments. For investors, compound interest can be more beneficial, as it can result in higher returns over time due to interest compounding on both the principal and accumulated interest.
Simple interest is typically not used for long-term investments because compound interest is more beneficial over time. However, for short-term investments or loans, simple interest can be a clear and predictable way of calculating returns or payments.
The total amount payable or receivable after applying simple interest is:
Where:
No, simple interest remains constant as it is calculated on the principal amount only. There is no compounding of interest over time.
In loans using simple interest, if you repay the loan earlier, the interest amount decreases as interest is calculated based on the time the loan is outstanding.
In simple interest loans, EMIs are calculated by dividing the total of the principal and interest evenly over the loan tenure. This ensures that each EMI consists of both a portion of the principal and the interest accrued.
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Note: 04-Oct-2024 : Currently, the site is under development and will be validated and updated soon