Compound Interest Calculator - Calculate Investment Growth

Compound interest is calculated on both the principal amount and the accumulated interest from previous periods. This means your money grows faster over time because interest is added to the balance and begins earning interest itself.

1. 1

   Step 1

   Enter the principal amount (P) you want to invest

2. 2

   Step 2

   Specify the annual interest rate (r) as a percentage

3. 3

   Step 3

   Choose the compounding frequency per year (n)

4. 4

   Step 4

   Set the investment duration in years (t)

5. 5

   Step 5

   Calculate the final value using the formula

• 1

  The more frequent the compounding, the higher the final return

• 2

  Start investing early to maximize compound interest benefits

• 3

  Reinvest earnings to maximize returns

• 4

  Compare effective interest rates, not just nominal rates

• 5

  Use the Rule of 72 to estimate how long it takes to double your money

• Confusing Simple and Compound Interest

• Ignoring Inflation

• Overlooking Fees and Taxes

• Overestimating Returns