Evidence-Based Health Calculator

Find out which scientifically-proven changes could add the most years to your life

🔬 Based on 400+ peer-reviewed studies
Question 1 of 5

What's your current age?

Click to select and auto-advance →

20-29 years Maximum potential
30-39 years High potential
40-49 years Good potential
50-59 years Moderate potential
60+ years Still beneficial
Question 2 of 5

How much do you currently exercise?

No regular exercise +3.2 year potential
1-2 hours per week +2.1 year potential
3-4 hours per week +1.0 year potential
5+ hours per week Optimized
Question 3 of 5

How's your sleep?

<6 hours or poor quality +1.5 year potential
6-7 hours, okay quality +0.8 year potential
7-8 hours, good quality Optimized
>9 hours regularly +0.5 year potential
Question 4 of 5

How would you rate your diet?

Mostly processed/fast food +4.0 year potential
Mix of healthy and processed +2.0 year potential
Mostly whole foods +1.0 year potential
Mediterranean-style diet Optimized
Question 5 of 5

How strong are your social connections?

Often feel lonely/isolated +2.5 year potential
Few close relationships +1.5 year potential
Good social network +0.5 year potential
Strong community ties Optimized
Based on 400+ peer-reviewed studies...
+0.0 years

Potential years you could add by optimizing evidence-based habits

Important: This calculator uses population-level research from meta-analyses and RCTs. Individual results vary. Always consult healthcare professionals for personalized advice. Some links may be affiliate links supporting evidence-based health education.