Tools
Almost every free test online is a questionnaire: you enter answers and get your own answers back, converted into years. These are not that. Every tool here runs a published formula over values that were measured on you.
From your blood
Values from a standard blood panel, worked through a published formula.
Biological age
Morgan Levine's PhenoAge formula, worked over nine values from a standard blood panel.
What you need: a recent blood result
Take the testHOMA-IR
Insulin sensitivity from fasting glucose and fasting insulin.
Being built
This one is on the list. It goes up only once the formula is published and we can print the source beside it.
Kidney function (eGFR)
Estimated filtration rate from creatinine, age and sex.
Being built
This one is on the list. It goes up only once the formula is published and we can print the source beside it.
From your measurements
Measurements you can take yourself, with no equipment.
Waist to height
The measure that predicts abdominal fat better than BMI, using a tape.
Being built
This one is on the list. It goes up only once the formula is published and we can print the source beside it.
BMI
The best known measure, with exactly where it falls short beside it.
Being built
This one is on the list. It goes up only once the formula is published and we can print the source beside it.
From your fitness
What your body can do, measured rather than guessed.
Grip strength
Your grip against the thresholds from the large cohorts.
Being built
This one is on the list. It goes up only once the formula is published and we can print the source beside it.
VO2max
An estimate of your maximum oxygen uptake without a laboratory.
Being built
This one is on the list. It goes up only once the formula is published and we can print the source beside it.
From your food
How much of something you need, according to research in people.
Protein needs
How much protein a day, from research in people rather than a rule of thumb.
Being built
This one is on the list. It goes up only once the formula is published and we can print the source beside it.
The calculation runs in your own browser and needs no account. The blood values you type are never sent anywhere. Only the result goes into your own record, and only when you ask it to.