Tools to measure what matters.
Free, instant, private calculators and assessments for strength, body composition, nutrition, hormones, and longevity. No sign-up — built by the HEXIS clinical team to give you a real number, then a clear next step.
Train and eat by the numbers
Know your real strength, calories, macros, and body composition — the inputs that actually move the needle.
One-Rep-Max Calculator
Estimate your true 1RM from any set across 7 validated formulas, plus the full %-of-1RM training chart.
TDEE Calculator
How many calories you actually burn in a day, with calorie and macro targets for every goal.
Macro Calculator
Turn a calorie target into exact daily protein, carb, and fat grams for fat loss or muscle gain.
Protein Calculator
Your evidence-based daily protein target by goal and activity, split into per-meal amounts.
Body Fat Calculator
Estimate body-fat percentage with the U.S. Navy method — no calipers, no scale required.
FFMI Calculator
How much muscle you carry relative to height, and where you sit versus the natural muscular ceiling.
DOTS Score Calculator
Score your total against bodyweight with DOTS, Wilks, and IPF GL Points side by side.
Understand what's driving how you feel
Educational tools for testosterone, weight loss, and longevity. They explain your numbers — a clinician interprets them.
Not sure where to start?
Run a tool, then talk it through with a HEXIS clinician. We turn your numbers into a plan — hormones, peptides, weight loss, and training, all physician-guided.
These tools are for education and are not a medical diagnosis or treatment. Always discuss your results with a qualified clinician before making health decisions.