Home › Compound Interest Calculator

Compound Interest Calculator

See how your money grows over time — results update as you type.

Investment details

Initial Investment

Monthly Contribution

Annual Interest Rate8.00%

0.5%20%

Time Period — 20 yrs

1 yr50 yrs

Compound Frequency

Year	Balance	Deposited	Interest

Future Value

—

After 20 years

Total Deposited

—

Interest Earned

—

Total Return

—

Your money breakdown

Your deposits Interest earned

The Rule of 72

Divide 72 by your rate to find how long it takes to double your money.

S&P 500 avg~10.5%/yr

Bonds (avg)4–5%/yr

HYSA4–5%/yr

Savings account~0.5%/yr