Free Health Calculators — BMI, Calories, Pregnancy & Wellness

Our health calculators translate clinical formulas into easy, actionable insights. From body composition metrics used by physicians to pregnancy milestones tracked by obstetricians, each tool is grounded in peer-reviewed guidelines so you can have informed conversations with your healthcare provider.

Understanding your numbers — BMI, BMR, ideal weight, due date — helps you set realistic goals, track progress meaningfully, and catch potential health issues early. Use these tools alongside, not instead of, professional medical advice.

Body Metrics

Assess your body composition, weight, and physical measurements.

Nutrition & Diet

Calculate your calorie needs and macronutrient targets.

Pregnancy & Cycle

Track conception, pregnancy milestones, and fertility windows.

Wellness & Vital Signs

Monitor heart health, sleep, kidney function, and more.