VitalisKnow your numbers, precisely.
Vitalis is a small set of health calculators BMI, age, body fat, daily calories, BMR and ideal weight built to read like a lab instrument, not a quiz. Every result computes instantly, in your browser. Nothing is stored or sent anywhere.
How it works
No account, no waiting, no fine print to click through just enter your numbers and read the result.
Pick a calculator
Choose the instrument that matches what you want to know BMI, calories, body fat, and so on.
Enter your numbers
Height, weight, age, or a few measurements whatever that tool needs. Metric or imperial, your choice.
Read your result
See your number instantly, understand what it means, and download a PDF report to keep or share.
Pick an instrument
Each tool runs its own calculation method the same ones used in clinical and fitness references and explains what the result means.
BMI Calculator
Body mass index from height and weight, with your healthy-weight range.
AGE-02 ↗Age Calculator
Exact age in years, months and days from any date of birth plus your next birthday countdown.
BF-03 ↗Body Fat Calculator
Estimated body fat percentage using the U.S. Navy circumference method.
CAL-04 ↗Calorie Calculator
Daily calorie needs (TDEE) for maintaining, losing or gaining weight.
BMR-05 ↗BMR Calculator
Basal metabolic rate the calories your body burns at complete rest.
IBW-06 ↗Ideal Weight Calculator
A reference body weight for your height, using the Devine formula.
Why another calculator site
Most calculator pages bury the tool under ads and vague copy. Vitalis keeps the method visible: every page states the formula it uses, what the result range means, and links to the related tool that naturally comes next so an age or weight number turns into a fuller picture of your health, not just a single figure.
Want the longer version, or have a question? Read more about Vitalis or get in touch.