Compound Interest Calculator
Use our free compound interest calculator to calculate future value of investments with compound interest. Support for monthly contributions and different compounding frequencies - completely free with no registration required.
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About Compound Interest Calculator
Our free online compound interest calculator helps you calculate the future value of investments with compound interest instantly. Whether you're planning for retirement, saving for a goal, or investing in stocks, this compound interest calculator makes it easy. For other number tools, check out our Number & Date Tools category.
Compound interest is interest calculated on the initial principal and also on the accumulated interest of previous periods. Our compound interest calculator uses the standard compound interest formula to calculate future value, total interest earned, and provides a year-by-year breakdown. For loan calculations, try our Loan EMI Calculator.
Key Features:
- Compound interest calculation - Calculate future value with compound interest
- Monthly contributions - Support for regular monthly deposits
- Flexible compounding - Annual, semi-annual, quarterly, monthly, or daily
- Year-by-year breakdown - See how your investment grows each year
- Total interest - Calculate total interest earned over time
- Investment planning - Plan your savings and investment goals
Enter the initial investment amount
Enter the annual interest rate percentage
Enter the number of years for the investment
Select how often interest is compounded
Enter monthly contribution amount (optional)
How to Calculate Compound Interest
- Enter the initial investment amount (principal)
- Enter the annual interest rate percentage
- Enter the number of years for the investment
- Select the compounding frequency (how often interest is compounded)
- Enter monthly contribution amount if you plan to add money regularly (optional)
- Click "Calculate" to get future value, total interest, and year-by-year breakdown
Learn more: According to Wikipedia's article on Compound Interest , compound interest is interest calculated on the initial principal and also on the accumulated interest of previous periods of a deposit or loan. Compound interest is contrasted with simple interest, where previously accumulated interest is not added to the principal amount of the current period.
Compound Interest Calculator Use Cases
Savings Planning
Plan your savings goals and see how compound interest grows your money
Investment Planning
Calculate future value of investments and plan your investment strategy
Retirement Planning
Plan for retirement and see how your investments grow over time
Education Savings
Plan for education expenses and calculate savings growth
Frequently Asked Questions
Is the compound interest calculator free to use?
Yes, our compound interest calculator is completely free to use. No registration or payment required.
What is compound interest?
Compound interest is interest calculated on the initial principal and also on the accumulated interest of previous periods. It allows your investment to grow faster over time.
Does it support monthly contributions?
Yes, our calculator supports monthly contributions, allowing you to see how regular deposits affect your investment growth.
What compounding frequencies are supported?
We support annual, semi-annual, quarterly, monthly, and daily compounding frequencies.
How is compound interest calculated?
Compound interest is calculated using the formula: A = P(1 + r/n)^(nt), where A is future value, P is principal, r is annual rate, n is compounding frequency, and t is time in years.
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