Compound Interest Formula:
From: | To: |
Compound interest is the interest calculated on the initial principal and also on the accumulated interest of previous periods of a deposit or loan. It allows your investment to grow at a faster rate compared to simple interest.
The calculator uses the compound interest formula:
Where:
Explanation: The formula calculates how much your investment will grow over time with compound interest, accounting for the frequency of compounding.
Details: Understanding compound interest is crucial for financial planning, investment decisions, and retirement savings. It demonstrates how money can grow exponentially over time.
Tips: Enter principal amount in rupees, annual interest rate as a percentage, number of compounding periods per year, and time period in years. All values must be positive numbers.
Q1: What's the difference between simple and compound interest?
A: Simple interest is calculated only on the principal amount, while compound interest is calculated on both the principal and accumulated interest.
Q2: How does compounding frequency affect returns?
A: More frequent compounding (daily vs. annually) results in higher returns due to interest being calculated more often.
Q3: What are common compounding frequencies?
A: Common frequencies include annually (1), semi-annually (2), quarterly (4), monthly (12), and daily (365).
Q4: Can this calculator be used for loans?
A: Yes, the same formula applies to both investments and loans, though for loans it shows the total amount to be repaid.
Q5: Is compound interest always beneficial?
A: While beneficial for investments and savings, compound interest can work against you when borrowing money, as debt can grow rapidly.