Compound Interest Calculator
Calculate how compound interest grows your investment over time. Compare annual, monthly, and daily compounding.
Future Value
Total Interest
Interest Rate
How to Use This Calculator
1. Enter your initial investment (principal amount)
2. Enter the annual interest rate as a percentage
3. Choose the time period in years
4. Select how often interest compounds (monthly, quarterly, annually)
5. View your projected future value and total interest earned
The Formula
The compound interest formula is: A = P(1 + r/n)^(nt)
Where:
- A = Final amount (principal + interest)
- P = Principal (initial investment)
- r = Annual interest rate (as decimal)
- n = Number of times interest compounds per year
- t = Time in years
The more frequently interest compounds, the more you earn.
Other Calculators
Percentage Calculator
Calculate percentages quickly and easily. Find percentages of numbers, percentage …
Tip Calculator
Calculate the perfect tip amount and split bills easily. Works …
Discount Calculator
Calculate the final price after applying a discount. See exactly …
Savings Interest Calculator
Plan your savings goals by calculating how your money grows …