Estimate your life expectancy based on lifestyle factors. Plan retirement with realistic timeline. Free life expectancy calculator. Not medical advice.
Retirement planning requires estimating how long your money needs to last. The average 65-year-old American lives another 20+ years — but lifestyle factors dramatically affect individual longevity. Smokers live 10 years less on average. Regular exercisers live 7+ years longer. Our calculator helps you estimate a realistic longevity range for retirement planning purposes.
Biggest longevity drivers by research impact: Smoking: minus 10 years average. Obesity (BMI 35+): minus 8-10 years. Regular vigorous exercise: plus 7 years. Mediterranean diet adherence: plus 4-5 years. Strong social connections: plus 7 years (loneliness is as deadly as smoking 15 cigarettes daily). Moderate alcohol vs none: modest benefit controversial. Heavy alcohol: minus 5-10 years. Adequate sleep (7-8 hours): significantly positive effect. Purpose in life: plus 7 years (Okinawan concept of ikigai).
Retirement income planning by longevity scenario: Conservative (to age 90): 25 year retirement from age 65 — plan for this minimum. Moderate (to age 85): 20 year retirement. Optimistic (to age 95): 30 year retirement. Portfolio survival rates by withdrawal rate: 3% withdrawal rate: survives 95%+ of 40-year scenarios. 4% withdrawal rate: survives 95% of 30-year scenarios. 5% withdrawal rate: survives 80% of 30-year scenarios. Plan to 90 minimum to avoid outliving your money.
US life expectancy 2026: Overall: approximately 77.5 years. Male: approximately 74.8 years. Female: approximately 80.2 years. However these are birth averages. If you have already reached 65: average additional life expectancy is 20+ years (women 21.5, men 19.1). Reached 70: average additional 16-17 years. This is why retirement planning should target age 90 minimum — half of 65-year-olds will live past 85.
Genetics accounts for approximately 25% of longevity — lifestyle accounts for 75%. Family history of: Heart disease under 55: increases your risk. Cancer (certain types): may run in families. Centenarian relatives: positive indicator. However: a person with poor family history who exercises, does not smoke, maintains healthy weight, and has strong social connections will significantly outperform their genetic baseline. Lifestyle is more powerful than most people believe.
Planning for longevity risk: The 4% rule target: for 35+ year retirement consider 3-3.5% withdrawal rate. Social Security delay: waiting until 70 maximizes the inflation-protected lifetime annuity — especially valuable for long lives. Long-term care insurance: 65% of people will need long-term care — average cost $5,000-$8,000/month. Healthcare reserve: Fidelity estimates $330,000 needed for healthcare in retirement for couple. Continued productive engagement: working part-time or volunteering is associated with longer healthier lives.
Yes — every FreeFixo tool, including the Life Expectancy Calculator — Estimate Your Longevity for Planning, is 100% free with no paywall, no premium tier, and no usage limits. You do not need to create an account, enter a credit card, or share an email.
The Life Expectancy Calculator — Estimate Your Longevity for Planning uses the same formulas, rates, and reference data that financial planners, professionals, and government sources publish. Results are estimates intended for planning and education — for situations involving large sums or legal consequences, confirm with a qualified professional before acting.
No signup is ever required. The Life Expectancy Calculator — Estimate Your Longevity for Planning runs entirely in your browser — your inputs are never sent to a server, and we do not store, track, or share your data. Open it, get your answer, close the tab.