Retirement Calculator
When can you retire? How much do you need? This calculator projects your retirement savings, monthly income, and tells you if you're ahead or behind schedule.
Retirement math simplified
We use the standard compound future-value formula for monthly contributions, then apply the 4% rule to estimate safe annual withdrawal during retirement. The 4% rule says you can withdraw 4% of your nest egg each year and adjust for inflation, with a 95% chance the money lasts 30+ years. Social Security (if you're in the US) would supplement this — we don't include it here.
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This is a simplified estimate. Actual results depend on market returns, inflation, taxes, fees, Social Security, and personal expenses. Consult a financial advisor.