It is how often interest is added each year, such as monthly or quarterly.
Compound Interest Calculator
Estimate investment growth with compounding frequency, rate, and duration.
About this tool
Compound Interest Calculator helps you estimate investment growth with compounding frequency, rate, and duration. It runs directly in your browser for speed and privacy with no sign-up required. Use the steps below to get results quickly, then copy or download the output and continue with related tools when needed. Try next: Percentage Calculator • Time Duration Calculator.
How to use
- Enter principal amount and annual interest rate.
- Set investment period in years.
- Pick compounding frequency from the dropdown.
- Click Calculate to see final value and interest earned.
- Try sample values and copy output for records.
Related tools
Try next: Simple Interest Calculator • Loan / EMI Calculator • Salary / Take-home Calculator.
Simple Interest Calculator
Calculate simple interest and total payable amount from principal, rate, and time.
Loan / EMI Calculator
Calculate monthly EMI, total interest, and total payment for your loan tenure.
Salary / Take-home Calculator
Estimate gross, tax, and take-home salary by weekly, bi-weekly, monthly, or yearly pay periods.
Frequently asked questions
Yes, compound interest reinvests past interest in future periods.
Yes, final amount will equal principal if rate is 0%.
No, this is a pure mathematical estimate.