What does this calculator calculate?
Compound interest earns interest on both principal and accumulated interest. Enter principal, annual rate, years and an annual, monthly or daily compounding frequency.
Worked examples
These examples use fixed sample inputs, separately from your current calculation. Displayed numbers are rounded.
South Korea units
- Initial principal
- 10000000 KRW
- Annual interest rate
- 5 %
- Duration
- 10 years
- Compounding
- Monthly
- Estimated future value
- 16,470,095 KRW
US units
- Initial principal
- 10000 USD
- Annual interest rate
- 5 %
- Duration
- 10 years
- Compounding
- Monthly
- Estimated future value
- 16,470.09 USD
Frequently asked questions
How do monthly and annual compounding differ?
Monthly compounding applies one-twelfth of the nominal annual rate each month; annual compounding applies it once yearly. At the same positive nominal rate, more frequent compounding gives a higher final value.
Does it include contributions or inflation?
Additional contributions, taxes, fees and inflation are excluded. It is a mathematical illustration using a constant rate, not a guarantee of investment returns.
Method and references
Assumes a constant rate with no additional deposits, taxes, fees or inflation.
Investor.gov · Compound interestCalculation methods, precision and data storage
Content updated: