Make money decisions with real numbers. Our free finance calculators cover the big moments, from buying a home and taking out a loan to paying off debt, building savings and planning for retirement, plus the everyday questions in between.
How to use these calculators
Start with the question you are trying to answer. Thinking about a home? Begin with the affordability calculator, then the mortgage calculator and closing costs. Paying down debt? Compare the snowball and avalanche methods. Saving or investing? The compound interest calculator shows how time does the heavy lifting.
Built to be understood
Every calculator shows the formula it uses and walks through a worked example with real numbers, so you can check the logic and adapt it to your situation. Results are estimates for planning. For big decisions, confirm the details with your lender, bank or a qualified financial professional.
Frequently asked questions
Are these calculators really free?
Yes. There is no sign-up, no paid tier and nothing to download.
Is my financial information stored?
No. Calculations run in your browser, and the numbers you type are not sent to our servers.