Free Online Life Expectancy Calculator
Estimate your life expectancy based on lifestyle habits, health profile, and family history. See which habits have the biggest impact on your longevity.
📌 Basic Info
📊 Lifestyle Scoring
👨👩👧 Family History
🧬 Your Estimate
Your Estimated Life Expectancy
—years
Base average — + adjustment — years
🔮 "What if?" Scenarios
If a current smoker quits — +4-7 years
Start exercising 3+ times/week — +2-4 years
Reach normal BMI range — +1.5-3 years
Improve sleep to 7-8 hours — +1.5-3 years
Begin stress management — +1-3 years
※ Margin of error: ±3-5 years. This is a statistical estimate, not a medical diagnosis.
Want a more detailed analysis with radar charts? Try the Excel version.
Download Excel Life Expectancy Calculator →"How long will I live?" Everyone wonders, but few sit down and run the numbers. This life expectancy calculator combines your lifestyle habits, health profile, and family history to produce a statistics-based estimate of your remaining years. The result might just change how you spend today.
Key Features
Personalized Life Expectancy Estimate
Starts from a national average life expectancy based on your sex, then adds or subtracts points for each lifestyle factor to arrive at a personalized estimate.
7-Domain Lifestyle Scoring
Smoking, alcohol, exercise, diet, sleep, weight (BMI), and stress — seven domains scored to show which habits have the biggest impact on your longevity.
Family History Adjustment
Accounts for parents' ages and major family conditions (cardiovascular disease, cancer, diabetes) to factor in genetic influences.
How to Use
Step 1: Enter Basic Info
Select your sex and enter your current age. The national average life expectancy loads as the baseline.
Step 2: Complete the Lifestyle Checklist
Select your answer for each domain. The more honest you are, the more meaningful the result.
Step 3: Add Family History and Review
Enter your parents' information and your estimated life expectancy updates in real time.
Tips
Re-measure After Lifestyle Changes
Come back whenever a major habit changes — quitting smoking, starting a gym routine. Watching your score improve is a powerful motivator.
Pair with the Retirement Fund Calculator
Plug the life expectancy from this calculator into the Retirement Fund Calculator for a more realistic financial plan.
FAQ
Is this medically reliable?
This calculator is a simplified statistical estimation tool, not a medical diagnosis or prediction. Consult a healthcare professional for personalized medical advice.
What if I don't know my family history?
Leave the default values — the result will be based on average assumptions.
Can I use this on mobile?
Yes, it's fully responsive and works on smartphone and tablet browsers.