Health tools

Calculators and scales, organized by who will use them

I split everything into two groups: the ones that make sense for you to track your health and those for technical use, designed for professionals in a clinical setting.

For youEducational and monitoring For professionalsDoses, conversions, and clinical scales
Educational use. These tools exist for study, information, and monitoring — do not diagnose, do not recommend treatment, and do not replace evaluation by a health professional. No result here should be used for self-medication or to decide on your own about your health.

For you

Simple tools to help you better understand your body and follow up on what your health professional has already recommended.

Weight, metabolism, and body composition

Body Mass Index (BMI)Your BMI range and what it means — and does not mean. Basal Metabolic RateEstimate of how much energy your body burns at rest. Body Measurements GuideHow to measure correctly at home and track progress over time. Bioimpedance PreparationWhat to do before the test so the result is not distorted.

Supplements

Creatine DoseUsual amount by body weight, based on evidence. L-Glutamine DoseUsage ranges and what the literature actually shows. Vitamin DUnderstand your result and the reference ranges.

Women's health

Menstrual Cycle and FertilityMap your cycle and estimated fertile window.

Sleep, behavior, and monitoring

Insomnia Severity Index (ISI)Validated scale to gauge sleep complaints. Eating Behavior (EFCA)Understand your patterns in your relationship with food. Blood Pressure and Glucose MonitoringHow to measure and record at home the right way. Castelli IndexTC/HDL and LDL/HDL in mg/dL or mmol/L, with non-HDL. Triglycerides/HDLTG/HDL ratio and atherogenic index of plasma (AIP).

For health professionals

Dose calculations, conversions, and scales for technical use, to support clinical decisions by those qualified to prescribe. They are not intended for patients or for self-medication.

Doses, conversions, and preparation

Dose Conversion — SemaglutideEquivalences between presentations and dose escalation. Compounded SemaglutideConverting concentration to the volume to administer. Tirzepatide — DosesDose escalation and equivalence between presentations. Doses in IU (insulin syringe)Converting mg to units on the syringe. Peptide ReconstitutionDiluent, final concentration, and volume per dose. Insulin Correction FactorInsulin sensitivity and glycemic correction, with a scientific guide. Cost ComparisonCost per mg and per month across presentations.

Clinical scales and indices

Free and Bioavailable TestosteroneVermeulen calculation from total testosterone, SHBG, and albumin. BI-RADS ClassificationCategories and recommended management for breast imaging.

Important notice

All content in this section is intended for educational, study, and health information support purposes. The calculators and scales present estimates based on formulas and instruments published in the literature, and do not make a diagnosis, do not recommend or adjust treatment, and do not replace a consultation with a qualified health professional.

Tools marked as professional use are intended to support decisions by those who are legally qualified to prescribe, within each patient's clinical context. Do not use any information here for self-medication or to change any ongoing treatment on your own.

If you have any questions about your health, talk to our team.