FREE TOOL / NO SIGNUP
Compound interest calculator.
Estimate how a starting balance and regular monthly contributions could grow over time.
THE NUMBERS, WITHOUT THE DRAMA
How this works
Each month, the balance earns one twelfth of the annual interest rate, then your contribution is added. A fixed rate is an illustration, not a prediction. Taxes, fees and inflation are excluded.
A quick example
At 0% interest, 1,000 saved today plus 150 a month for 12 months becomes 2,800.
Watch the related episode ↗Educational estimates, not personalized financial advice. Check actual rates, fees and terms before making a commitment.
Understand the decision
- US: health-plan costs, mortgages, 401(k)s and IRAs
Separate premiums from covered-care limits, housing payments from cash to close, and retirement contribution limits from tax eligibility.