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, debt payoff, and emergency-fund targets. Every calculator is free, works in your browser, and never asks for personal information — nothing you type is saved, transmitted, or shared with advertisers.
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.