Free Men’s Health Calculators & Quizzes
Most guys get bloodwork back, see a few numbers in range, and walk out with no real answers. These tools let you do the math your doctor probably didn’t.
Sixteen calculators covering testosterone, weight loss, sexual health, longevity, sleep, and performance. No email gate. No upsell. Just the numbers and what they actually mean.
Testosterone & TRT Calculators
Total testosterone is one number on a lab report. These tools dig into what’s actually going on with your hormones, what the symptoms add up to, and what untreated low T is costing you.
Free & Bioavailable Testosterone Calculator
Your total T number lies. What matters is how much is actually available for your body to use. Plug in your total T, SHBG, and albumin to see the testosterone that’s doing the work.
Calculate free T →Do I Have Low T? Symptom Quiz
Tired, foggy, no drive, weight you can’t shake? Run through this quiz and see whether your symptoms line up with low testosterone or point somewhere else entirely.
Take the quiz →Total Testosterone by Age Calculator
“Normal range” was built off a population that includes a lot of unhealthy men. See where your number lands compared to healthy guys your age, not the watered-down average.
Check your age range →Testosterone to Estradiol Ratio Calculator
High T isn’t the whole story. The ratio between testosterone and estradiol drives a lot of how you feel. Run your numbers and see if the balance is where it should be.
Run your ratio →Financial Cost of Untreated Low T
Low energy, low motivation, brain fog, and weight gain quietly cost you money every year. This calculator puts a dollar figure on what doing nothing is actually costing you.
See the cost →Weight Loss & GLP-1 Calculators
Whether you’re on a GLP-1, thinking about one, or trying to do this the old-fashioned way, these tools give you the real math behind weight loss and body composition.
TDEE & Weight Loss Timeline Calculator
How many calories do you actually burn in a day, and how long will it really take to hit your goal? This one cuts through the influencer math and gives you a realistic timeline.
Calculate your TDEE →Goal Weight & Body Composition Calculator
“I want to lose 30 pounds” is the wrong question. Figure out how much fat you actually need to drop and how much muscle you need to keep to look the way you want.
Set your goal →BMI vs Body Composition Reality Check
BMI was built for actuarial tables in the 1800s, not for guys with muscle. See where you actually stand once body composition gets factored in.
Get a real read →Sexual Health Calculators
Erectile issues are one of the most underdiagnosed health signals in men. These tools help you score what’s going on and figure out what’s actually driving it.
Erectile Function Score (IIEF-5)
The same five-question screener urologists use in the clinic, just without the awkward office visit. Get a real score in two minutes and know where you stand.
Take the screener →ED Cause Router
ED isn’t one problem. It’s vascular, hormonal, psychological, or some combination. This tool walks you through what’s most likely driving yours so you stop chasing the wrong fix.
Find the cause →Performance Calculators
If you want to know how your engine is actually running, look past the scale and the mirror.
VO₂ Max Estimator
VO₂ max is one of the strongest predictors of how long you’ll live and how well you’ll feel doing it. Estimate yours without needing a lab, a mask, or a treadmill test.
Estimate your VO₂ max →Longevity Calculators
The number on your driver’s license isn’t the one that matters. These tools look at the biology, the bloodwork, and the daily habits that decide how long you actually have and how good you’ll feel along the way.
Biological Age Calculator
You’re as old as your blood, not your birthday. Plug in standard lab markers and see whether your body is running ahead of or behind your actual age.
Find your bio age →ApoB Cardiovascular Risk Calculator
Standard cholesterol panels miss a lot. ApoB is the better number for predicting heart attack risk, and most doctors still don’t order it. See what yours says about your real risk.
Check your ApoB risk →Lifestyle Longevity Calculator
Sleep, training, alcohol, stress, food. The small daily habits add up to years on the back end. This shows you the math of what each one is buying or costing you.
Run the numbers →Sarcopenia Risk Calculator
Most guys lose muscle quietly starting in their thirties. By the time you notice, you’re already behind. See how much risk you’re carrying and what the trajectory looks like.
Check your risk →Sleep Calculators
Bad sleep tanks testosterone, raises body fat, kills recovery, and ages you faster. If you’ve ever been told you snore, this one’s worth two minutes.
STOP-BANG Sleep Apnea Risk Screener
Sleep apnea is one of the most missed diagnoses in men, and it’s quietly crushing your testosterone, your weight, and your heart. Eight questions tell you whether you should get tested.
Screen yourself →