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Monitor your wellness metrics with reliable health tools.
The 4 tools our users open most often in this category.
Comprehensive health and fitness calculators for everyday wellness tracking — BMI, BMR, TDEE, body fat percentage, water intake, ideal weight, pregnancy due date, ovulation, blood pressure, BSA, and more. Each tool uses peer-reviewed medical formulas (Mifflin-St Jeor, Devine, Du Bois, Naegele's rule, etc.).
Whether you're tracking a weight-loss journey, planning meals around your daily calorie needs, monitoring blood pressure trends, or expecting a baby and need an accurate due date — these tools deliver clinical-grade calculations without the cost or wait of an appointment. Always confirm critical health decisions with a licensed doctor.
BMI (WHO), BMR (Mifflin-St Jeor 2005), pregnancy (Naegele's rule), body fat (US Navy method), and more.
All tools accept feet/inches, pounds, kilograms, and centimeters — switch units anytime mid-calculation.
Your weight, age, body measurements, and pregnancy details never leave your browser.
Yes — they use formulas published in peer-reviewed medical journals (the same formulas your doctor's software uses). However, they are screening tools, not diagnostic tools. Discuss any concerning result with a licensed physician.
No. BMI is a quick screening metric but doesn't distinguish muscle from fat. Athletes and bodybuilders often have a 'high' BMI without being unhealthy. Combine BMI with body fat percentage and waist-hip ratio for a fuller picture.
Naegele's rule (LMP + 280 days) is accurate to within ±5 days for ~80% of pregnancies. Early ultrasound dating (6-9 weeks) is more accurate. The tool is for planning — every doctor visit will confirm or adjust based on ultrasound.
No. All inputs (weight, age, body measurements, pregnancy dates) stay entirely in your browser. Nothing is transmitted to any server.
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