Health calculators for BMI, calorie, body fat, and more — private, no signup needed
Calculate your BMI instantly. BMI calculator for adults using metric or imperial units. Understand your weight category and get health tips.
Estimate your due date, current week of pregnancy, and trimester. Based on LMP or conception date.
Estimate your body fat percentage using measurements or the US Navy method. Track your fitness progress.
Calculate your daily calorie needs for weight maintenance, loss, or gain. Based on your age, gender, activity level, and goals.
Calculate your ideal body weight based on height, age, and gender using multiple formulas. Free health tool.
Calculate your daily water needs based on weight, activity level, and climate. Stay hydrated with personalized water goals.
Calculate your TDEE (Total Daily Energy Expenditure) and macro breakdown based on your activity level and goals.
Calculate your target heart rate zones for fat burn, cardio, and peak training. Based on your age and resting heart rate.
Track your menstrual cycle, predict ovulation, fertile window, and next period. Free period tracker for women.
Track and log your blood pressure readings over time. See systolic, diastolic, and pulse trends with charts.