Track your wellness journey with precise calculators for body composition, nutrition, fitness goals, and health metrics.
Calculate your body fat percentage using the official U.S. Army tape test method. Check if you meet military body composition standards with our free ...
Free BAC calculator to estimate your blood alcohol content. Calculate how alcohol affects you based on drinks, weight, gender, and time.
Free bench press calculator to estimate your one-rep max (1RM) from multiple reps. Calculate max weight and training percentages for strength programs...
Check your blood donation eligibility and calculate when you can donate next. Free blood donation interval calculator.
Free BMI calculator to determine if your weight is healthy. Calculate Body Mass Index with our easy-to-use tool, view your BMI category, and get perso...
Free BMR calculator using Mifflin-St Jeor, Harris-Benedict, and Katch-McArdle equations. Find how many calories your body burns at rest for weight man...
Free body fat calculator using the U.S. Navy method. Calculate body fat percentage with measurements of neck, waist, and hip circumference for accurat...
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Free lean body mass calculator using multiple formulas. Calculate your fat-free mass, muscle mass, and body composition for fitness goals.
Free macro calculator to determine your ideal protein, carbs, and fat intake. Get personalized macronutrient ratios based on your goals: weight loss, ...
Free one rep max calculator to estimate your 1RM for any lift. Uses Epley, Brzycki, and other formulas to calculate max strength from any rep range.
Free ovulation calculator to predict your most fertile days. Track your menstrual cycle and find the best days to conceive with our fertility calculat...
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Free protein calculator to determine your optimal daily protein intake. Get personalized protein recommendations based on your weight, activity level,...
Free sleep calculator to find your optimal bedtime and wake time based on sleep cycles. Wake up refreshed by timing your sleep with natural 90-minute ...
Free TDEE calculator to find your daily calorie needs. Calculate Total Daily Energy Expenditure based on BMR and activity level for weight loss, maint...
Free water weight converter between volume and weight. Calculate how much water weighs in gallons, liters, pounds, and kilograms instantly.
Free weight loss calculator to determine daily calorie deficit, timeline to reach goal weight, and weekly weight loss targets. Science-based approach.
Calculate your body fat percentage using the official U.S. Army tape test method. Check if you meet military body composition standards with our free ...
Calculate NowFree BMI calculator to determine if your weight is healthy. Calculate Body Mass Index with our easy-to-use tool, view your BMI category, and get perso...
Calculate NowFree BMR calculator using Mifflin-St Jeor, Harris-Benedict, and Katch-McArdle equations. Find how many calories your body burns at rest for weight man...
Calculate NowFree body fat calculator using the U.S. Navy method. Calculate body fat percentage with measurements of neck, waist, and hip circumference for accurat...
Calculate NowFree calorie calculator to find how many calories you need daily. Calculate calories for weight loss, maintenance, or gain based on your body and acti...
Calculate NowFree macro calculator to determine your ideal protein, carbs, and fat intake. Get personalized macronutrient ratios based on your goals: weight loss, ...
Calculate NowOur health calculators help you understand your body and optimize your wellness journey. Calculate your BMI, determine daily calorie needs, track body composition changes, and plan nutrition with scientifically-backed formulas used by fitness professionals worldwide.
These tools are designed to complement professional medical advice, not replace it. Use them to set realistic fitness goals, monitor your progress over time, and make informed decisions about your diet and exercise routine.
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