Compound Interest Calculator

See what steady contributions and time can do. Set your starting amount, deposits, and expected return, and watch your balance grow year by year. Flip on the inflation toggle to see it all in today's purchasing power.

Initial Investment

Regular Contribution

Contribution Frequency

Annual Interest Rate

Compounding Interval

Investment Duration

yrs

Deposit Timing

Make deposits at the start or end of each period

Adjust for Inflation

View real purchasing power values side-by-side

Expected Inflation Rate

                    End Balance
                    $0
                    Your balance at the end of the period
                

                    Real Value (Inflation-Adj.)
                    $0
                    What it's worth in today's money
                

                    Total Contributions
                    $0
                    Total amount you deposited
                

                    Total Interest Earned
                    $0
                    What compounding earned on top of your deposits
                

                    Future Monthly Yield
                    $0
                    Monthly withdrawal using the 4% rule
                

                    Compound Factor
                    1.0x
                    End balance divided by total contributions
                

Wealth Growth Curve

End Balance

Total Invested

Real Value

Year	Nominal Balance	Real Value (Inflation-Adj)	Total Invested	Interest Earned	Annual Growth Rate