Compound Interest Calculator
How to Use Compound Interest Calculator
- Enter your initial investment amount
- Input the annual interest rate
- Enter the time period in years
- Click on “Calculate”
- Instantly see your final amount and interest earned
What is Compound Interest?
Compound interest is the interest calculated on both the initial principal and the accumulated interest from previous periods. This means your investment grows faster over time because interest is earned on interest.
It is widely used in savings accounts, investments, and loans, making it an essential concept for financial planning.
FORMULA
A=P(1+r)tA = P(1 + r)^tA=P(1+r)t
👉 Where:
- A = Final amount
- P = Principal
- r = Interest rate
- t = Time
EXAMPLE
If you invest $1,000 at an annual interest rate of 8% for 3 years, your investment will grow each year as interest is added to the total amount. This shows how compound interest increases your returns over time.
Frequently Asked Questions
Q1: Why is compound interest powerful?
Because you earn interest on both your original investment and the accumulated interest.
Q2: Is compound interest better than simple interest?
Yes, it generally results in higher returns over time.
Q3: Is this calculator accurate?
Yes, it uses the standard compound interest formula.
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