HealthCheck Platform
Tools you will not find on generic health sites. Track Ozempic titration schedules, score the Army ACFT, estimate body recomposition timelines, dial in keto macros, and calculate caffeine half-life -- all backed by published clinical formulas.
Quickly jump into the tools users rely on most.
Browse all 54+ calculators across 10 categories including body composition, performance, nutrition, and pregnancy.
Follow step-by-step workflows that connect multiple calculators. Enter your details once and get a complete health picture.
Assess your body, calculate energy needs, and build a deficit plan.
Understand your body shape, fat-free mass, and ideal weight targets.
Establish your cardio fitness metrics: heart rate and VO2 max.
Calculate calories, set macro splits, and plan hydration.
Most health calculator sites recycle the same BMI tool with ads plastered everywhere. Here is what we do differently.
Every calculator uses published equations like Mifflin-St Jeor for BMR, the Navy method for body fat, and WHO references for BMI.
No account required. No data leaves your browser. Your measurements stay on your device, not on our servers.
No paywalls, no premium tiers, no "unlock full results" gates. Every calculator and every feature is free.
The calculation methodology behind every tool is transparent. You can see exactly which formula produced your result.
Evidence-based explainers to help you understand what the numbers mean.
What the numbers actually mean for your health, how different ranges affect disease risk, and which measurement methods are worth your time.
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Energy ExpenditureBreak down each component of your daily energy expenditure and learn how it shapes your nutrition strategy.
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Weight ManagementWhy weight loss is not always linear, why starvation mode is overstated, and how to set expectations that actually hold up.
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