Free financial calculators to help you plan savings, investments, retirement, mortgages, and debt payoff. Run the numbers before you make a decision.
Free financial calculators
Run the numbers on compound interest, retirement savings, mortgages and auto insurance costs. Every calculator is free, runs its calculations in your browser, and needs no account, email or login. Like every page on the site, calculator pages run analytics and session-recording tools, so what you enter can be recorded. Our privacy policy has the details.
What you can figure out here
How a lump sum plus monthly contributions grows over 10, 20, or 30 years at a given return.
Whether your current retirement savings rate is on track to replace the income you want in retirement.
The true monthly cost of a mortgage, including principal, interest, and amortization over the life of the loan.
How long it will take to pay off credit-card debt under the avalanche vs. snowball method.
The right emergency-fund target based on your monthly expenses and job stability.
Each calculator shows the formulas and assumptions used. If you want to verify a result by hand, the inputs are all standard time-value-of-money math, no proprietary black boxes.