Tools
Clinical calculators & screeners.
Physician-informed tools to help frame your conversation with a provider. Not a substitute for clinical evaluation.
Lab-based
Free Testosterone Calculator
Estimate free testosterone from your total T, SHBG, and albumin using the Vermeulen equation.
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Questionnaire
Low-T Symptom Score
A 10-question ADAM screener to help you decide whether to check your levels.
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Body composition
BMI Calculator
Body Mass Index from height and weight.
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Metabolism
BMR Calculator
Basal Metabolic Rate — calories at rest (Mifflin-St Jeor).
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Metabolism
TDEE Calculator
Total Daily Energy Expenditure including activity.
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Nutrition
Calorie Calculator
Daily calorie target for fat loss, maintenance, or gain.
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Nutrition
Protein Calculator
Daily protein target based on bodyweight and activity.
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Nutrition
Daily Carb Calculator
Daily carbohydrate grams from TDEE and carb intensity.
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These tools provide educational estimates only. They do not diagnose a condition or replace individualized advice from a qualified health professional.