Compound Interest Calculator

See how your money grows over time with the power of compounding.

Investment Details

Initial Investment ($)

Monthly Contribution ($)

Annual Interest Rate (%)

Investment Period (years)

Compounding Frequency

Adjust for inflation

Future Value

Total Contributions

Total Interest

Year	Start Balance	Contributions	Interest	End Balance

Estimate how long it takes to double your money.

Annual Interest Rate (%)

~10.3 years

Approximate Doubling Time

Scenario A

Rate (%) Monthly ($)

Scenario B

Rate (%) Monthly ($)

Initial ($)

Years

Scenario A

Scenario B

Difference