Compound Interest Calculator
See how your money grows over time with the power of compound interest and regular contributions.
Clear, honest calculators for the money decisions that actually matter, from compounding and retirement to debt payoff and the options wheel. No account, no linking, no data leaving your browser. Just answers.
See how your money grows over time with the power of compound interest and regular contributions.
Estimate how much you need to retire and whether your savings rate gets you there.
Find your financial-independence number and the year you could retire early.
Find out exactly how much to save each month to reach your first $1,000,000.
See how a 1% fee quietly costs you tens of thousands over an investing lifetime.
Compute premium yield, annualized return, breakeven, and cost basis for a cash-secured put or covered call.
Add up your assets and subtract your liabilities to see exactly where you stand.
Split your take-home pay into needs, wants, and savings with the 50/30/20 rule.
Size your ideal emergency fund and build a plan to reach it.
Find the monthly payment, total interest, and full amortization schedule for any loan.
Compare the snowball and avalanche methods and find your fastest path out of debt.
Estimate your score and see which factors are helping or hurting it most.
Our free guides teach the wheel strategy, selling cash-secured puts and covered calls, in plain English, including the parts other sites leave out.
Explore the free guides →