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⏳ How Long Will I Live?

Estimate your life expectancy based on key lifestyle factors — and what it means for your retirement planning.

Life Expectancy Calculator

Lifestyle-adjusted longevity estimate

Your Profile
yr
The Numbers
Estimated Life Expectancy
Years Remaining
Expected Retirement Years (from 67)
Active Healthy Years Left (est.)
Retirement Savings Needed (4% rule)
Our Assessment
Calculating...

Scenario Analysis

Estimated range based on lifestyle optimisation

Optimised Lifestyle
Quit smoking, exercise regularly, maintain healthy weight
Current Lifestyle
Based on your answers above
Declining Health
Worsening risk factors over time

Personalized Insights

Recommended Next Steps

Why Life Expectancy Matters for Financial Planning

Life expectancy estimates are one of the most underused inputs in financial planning. Underestimating longevity is one of the most common ways retirees run out of money — planning for 20 years of retirement when you live 30 years creates a serious shortfall in even well-saved portfolios.

The 4% rule (the basis of most retirement planning) was designed for a 30-year retirement horizon. If your lifestyle factors suggest longer-than-average longevity, a 3-3.5% withdrawal rate provides a stronger safety margin. Conversely, certain health factors may make other financial priorities more urgent.

Beyond finances, life expectancy estimates are useful for prioritising experiences. Knowing your active, healthy years are finite helps focus on what matters — whether that's travel, time with family, or taking professional risks while energy and health allow it.

01
Enter Your Profile
Age, sex and key lifestyle factors.
02
See Your Estimate
Lifestyle-adjusted life expectancy and healthy years.
03
Plan Your Finances
How long your retirement savings need to last.
04
Take Action
Lifestyle changes with the biggest impact.

Frequently Asked Questions

How accurate are life expectancy calculators?
These are statistical estimates based on population averages, not individual predictions. They're useful for planning purposes but can't account for genetics, accidents, or medical developments. Use as a planning benchmark, not a certainty.
Which lifestyle factors have the biggest impact?
Smoking cessation has the largest single impact (-10 years for current smokers). Regular physical activity and maintaining healthy weight are the next most significant. Sleep quality and social connection also show strong associations in research.
Does this account for family history?
No — genetics and family history can meaningfully affect longevity but are difficult to model reliably without detailed medical information. A doctor or professional longevity assessment would incorporate these factors.
How does this affect my retirement planning?
Plan for at least 30 years of retirement if your estimate suggests above-average longevity. This means a larger target nest egg (25-30x annual spending rather than 20x) and potentially a more conservative withdrawal strategy.

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