Money tool
Compound Interest Calculator
Project investment growth with contributions, compounding, duration, and inflation.
Runs in your browserResult
- Future balance
- $196,665.39
- Total contributed
- $82,000.00
- Investment growth
- $114,665.39
- Inflation-adjusted value
- $120,019.17
- Ending annual growth
- $13,766.58
This is a mathematical projection, not an investment forecast. Returns, fees, taxes, timing, and inflation vary and can reduce results.
How to use this compound interest calculator
- Enter the starting amount, interest rate, term, and any payment or contribution details requested above.
- Review the calculated totals, units, and assumptions. Check the inputs and units before relying on the result.
- Change one input at a time to compare another case, then copy or save the result you plan to use.
About this compound interest calculator
Use the Compound Interest Calculator to project investment growth with contributions, compounding, duration, and inflation. Change the inputs to compare another result.
You can also use it to compare results after changing one input.
Example
Compare a $10,000 starting balance at 6 percent with and without a $200 monthly contribution over ten years.
Common uses
- → project investment growth with contributions, compounding, duration, and inflation
- → compare results after changing one input
- → save an estimate for planning or comparison