Calculators

Every calculator in one place.

Use the tool you need now, or move through them in sequence if you’re trying to make a smarter testosterone or body-composition decision.

Free Testosterone Calculator

Estimate free testosterone from total T, SHBG, and albumin using the Vermeulen equation.

Score the most common symptoms and see whether proper testing is worth the next step.

Compare the real annual cost of TRT once labs, meds, and follow-ups are included.

Estimate bioavailable testosterone when total T alone is not telling the full story.

See where your total testosterone roughly falls against age-band reference ranges.

Estimate maintenance calories and use it to guide fat loss or lean gain decisions.