Health Calculators
Health and fitness calculators — BMI, healthy weight range, daily calorie needs (BMR/TDEE), body fat, and pregnancy due dates — using standard metric or imperial units.
⚖️BMI Calculator — Calculate your Body Mass Index and healthy weight range using metric or imperial units.AI Insights→🔥Calorie Calculator (TDEE & BMR) — Find your BMR, TDEE, and daily calorie target for weight loss, maintenance, or muscle gain, with an optional macro breakdown.→📏Body Fat Calculator — Estimate your body fat percentage using the U.S. Navy method or BMI method, plus fat mass, lean mass, and your ideal healthy range.→🤰Due Date Calculator — Estimate your pregnancy due date and current gestational age from your last period, conception date, or IVF transfer date, with key trimester milestones.→😴Sleep / Bedtime Calculator — Find the best bedtime or wake-up time based on complete 90-minute sleep cycles, with an age-based recommended sleep range and adjustable cycle length.AI Insights→🌸Ovulation Calculator — Estimate your ovulation date and fertile window from your last period and average cycle length, with a 3-cycle forecast.AI Insights→🎖️Army WHtR (Waist-to-Height Ratio) Calculator — Check your Army Body Composition Program waist-to-height ratio against the 2026 ABCP standard — pass/fail status, max allowable waist, and margin to threshold.AI Insights→🏃Running Pace Calculator — Find your running pace, total time, or distance from any two of the three, plus predicted race times at 5K, 10K, half marathon, and marathon distances.AI Insights→💧Water Intake Calculator — Estimate your recommended daily water intake from your body weight, exercise, and climate, shown in ounces, liters, cups, and 8-oz glasses.AI Insights→🎯Ideal Body Weight Calculator — Estimate your ideal body weight range from height and sex using four standard clinical formulas (Devine, Robinson, Miller, Hamwi).AI Insights→⏲️Intermittent Fasting Calculator — Find your eating and fasting window times for 16:8, 18:6, 20:4, OMAD, or a custom schedule, based on when you eat your first meal.AI Insights→
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