Compound Interest
Compound Interest. Calculate with Principal, Annual interest rate (%), Number of years; review the formula, units and worked example.
Values and units
Runs in this browserResult
Set the inputs and run the tool to view the result.
How to use Compound Interest
- Review the populated example and the input units, then replace it with your data.
- Calculate with Principal, Annual interest rate (%), Number of years; review the formula, units and worked example.
- Run the tool, inspect the result, then copy or download what you need.
Method and scope
principal*(1+rate/100/periods)^(years*periods)
Formula
principal*(1+rate/100/periods)^(years*periods)- principal
- Principal
- rate
- Annual interest rate (%)
- years
- Number of years
- periods
- Compounding periods per year
Numbers retain the tool's existing precision. Keep monetary inputs in the same currency and enter percentages as percentage values.
Estimates depend on the inputs and the stated formula. Confirm contractual costs, carrier rules and applicable taxes separately.
Input example
Principal: 10000 Annual interest rate (%): 5 Number of years: 3 Compounding periods per year: 12
Expected result: 11,614.722313 currency
Questions and result checks
How does Compound Interest determine the result?
principal*(1+rate/100/periods)^(years*periods)
Formula
principal*(1+rate/100/periods)^(years*periods)- principal
- Principal
- rate
- Annual interest rate (%)
- years
- Number of years
- periods
- Compounding periods per year
Numbers retain the tool's existing precision. Keep monetary inputs in the same currency and enter percentages as percentage values.
What should I check before processing?
Estimates depend on the inputs and the stated formula. Confirm contractual costs, carrier rules and applicable taxes separately.
How can I verify the output?
Use the supplied example as a check, then compare important results with the original source or business document.
Principal: 10000 Annual interest rate (%): 5 Number of years: 3 Compounding periods per year: 12
Expected result: 11,614.722313 currency
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