Retirement Calculators: How Much Do You Really Need?
Knowing your number turns a vague worry into a clear plan. Use retirement calculators to find out how much you need to retire and what to do next.
Understand What Calculators Can and Cannot Tell You
Our in-depth retirement calculator guide explains the assumptions behind every estimate, including inflation, investment returns, life expectancy, taxes and Social Security. Learn why results differ between tools and how to avoid the most common mistakes.
Compare the Best Retirement Savings Calculators
Our practical calculator comparison tests free tools side by side, from a simple retirement savings calculator to a full retirement income calculator and a 401k calculator. Choose the one that fits your situation.
Six People, Six Retirement Numbers
Different ages and incomes led to very different answers. See how six people planned. Each has a dedicated page explaining their situation, their problems and what their calculations showed.
Browse all retirement calculator articles below.
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How Anthony Uses a Self-Employed Retirement Calculator to Set a Real Number Without a Pension
By Jozsef Huszar • Updated: September 25, 2026 When you work for yourself, a self-employed retirement calculator is the closest thing you have to an HR department. It turns “I should save more” into a specific number. Anthony runs his own business. There’s no pension quietly accumulating in the background, no employer match showing up…
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How Gloria Uses a Retirement Withdrawal Calculator to Confirm Her Money Will Last
By Jozsef Huszar • Updated: September 25, 2026 Once you start spending your savings, the question changes. A retirement withdrawal calculator answers it: will my money last? Gloria is no longer building savings — she’s drawing them down. That shift brought a different kind of worry, one that’s more specific and, in some ways, more…
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How Edward Uses a Retirement Calculator to See What Today’s Contributions Really Become
By Jozsef Huszar • Updated: September 25, 2026 A retirement calculator turns the contributions you make today into a specific number you can plan around, even while a mortgage and kids’ expenses compete for every dollar. Edward is juggling a mortgage, his kids’ expenses, and retirement contributions, all at the same time. Retirement is decades…