Free health tools

Longevity test

Five at-home tests research links to how long you live, then a plan for your day, your food and your training.

Daily schedule maker

Your ideal day in time blocks from a few answers, with busy, travel and weekend versions.

Longevity routine generator

Draw your day on a 24-hour clock with your real sunrise, and check it against nine sleep rules.

Daily routines of successful people

Real days from their own words: watch them play, then fit them to your hours.

Longevity diet plan

Protein from three sources, a food list filtered by how you eat, and what I eat as the worked example.

Perfect day template

8 questions to your perfect day, written with your own AI and saved as a PDF.

Protein calculator

Your protein a day from the US guidelines, Peter Attia and Gabrielle Lyon, side by side, with grams per meal.

Fitness age calculator

See where your VO2 max heads by 90 at the average decline, and what a hilly hike at 90 needs from you now.

Sit to stand test

Score the sit to stand test from the floor, 0 to 10, with the one-leg stand beside it.

Biological age calculator

Your biological age from nine markers on a standard blood test, next to your real age and your tracker's age.

Pace of aging calculator

How many biological years you age per calendar year, from two or more of your own blood tests.

Centenarian decathlon planner

Pick what you want to still do at 90, and see what each one needs from you today.

Morning routine generator

Build your morning from 8 answers, try a real person's, and check in for 7 days.

Zone 2 heart rate calculator

Your zone 2 three ways: Maffetone's formula, your watch's 60 to 70% and Peter Attia's 70 to 85%, with the talk test.

Longevity test

Five at-home tests research links to how long you live, then a plan for your day, your food and your training.

Daily schedule maker

Your ideal day in time blocks from a few answers, with busy, travel and weekend versions.

Longevity routine generator

Draw your day on a 24-hour clock with your real sunrise, and check it against nine sleep rules.

Daily routines of successful people

Real days from their own words: watch them play, then fit them to your hours.

Longevity diet plan

Protein from three sources, a food list filtered by how you eat, and what I eat as the worked example.

Perfect day template

8 questions to your perfect day, written with your own AI and saved as a PDF.

Protein calculator

Your protein a day from the US guidelines, Peter Attia and Gabrielle Lyon, side by side, with grams per meal.

Fitness age calculator

See where your VO2 max heads by 90 at the average decline, and what a hilly hike at 90 needs from you now.

Sit to stand test

Score the sit to stand test from the floor, 0 to 10, with the one-leg stand beside it.

Biological age calculator

Your biological age from nine markers on a standard blood test, next to your real age and your tracker's age.

Pace of aging calculator

How many biological years you age per calendar year, from two or more of your own blood tests.

Centenarian decathlon planner

Pick what you want to still do at 90, and see what each one needs from you today.

Morning routine generator

Build your morning from 8 answers, try a real person's, and check in for 7 days.

Zone 2 heart rate calculator

Your zone 2 three ways: Maffetone's formula, your watch's 60 to 70% and Peter Attia's 70 to 85%, with the talk test.