Free health tools — BMI calculator, calorie tracker, water reminder, and wellness utilities for a healthier life.
Health and wellness calculators — BMI, BMR, calorie intake, body fat, heart rate zones, pregnancy due date, and more. All calculations run locally in your browser. Track your fitness journey without uploading personal data.
Computes Body Mass Index from metric or imperial height and weight inputs, categorizing the result into underweight, normal, overweight. Everything runs locally in your browser — nothing is uploaded.
Calculate body fat percentage using the US Navy circumference method. Enter waist, neck, height, and hip measurements. Everything runs locally in your browser — nothing is uploaded.
Estimate body fat percentage using BMI-based formula adjusted for age and gender. Shows fitness range and category. Everything runs locally in your browser — nothing is uploaded.
Calculate your daily calorie needs using BMR and activity level. Shows maintenance, cutting, and bulking calorie targets for fitness planning. Everything runs locally in your browser — nothing is uploaded.
Calculate your ideal body weight using Devine and Robinson formulas. Provides a healthy weight range for your height and gender. Everything runs locally in your browser — nothing is uploaded.
Calculate lean body mass from total weight and body fat percentage. Understand your muscle mass versus fat mass. Everything runs locally in your browser — nothing is uploaded.
Calculate your waist-to-hip ratio and assess health risk based on your measurements and gender. Everything runs locally in your browser — nothing is uploaded.
Calculates Basal Metabolic Rate using the Mifflin-St Jeor equation with age, sex, height, and weight. Nutritionists use it for diet planning. Everything runs locally in your browser — nothing is uploaded.
Calculate BMI for children with age and gender considerations. Track childhood growth and weight status. Everything runs locally in your browser — nothing is uploaded.
Calculate Body Surface Area using the Mosteller formula. Enter height and weight for medical and fitness BSA measurements. Everything runs locally in your browser — nothing is uploaded.
Calculate your Total Daily Energy Expenditure (TDEE) from BMR and activity level. Find how many calories you burn per day.
Calculate calories burned through breastfeeding. Enter babys age and feedings per day to estimate daily energy expenditure. Everything runs locally in your browser — nothing is uploaded.
Calculate daily protein requirements based on weight and activity level. Get tailored protein recommendations for your fitness goals. Everything runs locally in your browser — nothing is uploaded.
Calculate keto diet macros including protein, fat, and carbs. Get your personalized macronutrient targets for the ketogenic diet. Everything runs locally in your browser — nothing is uploaded.
Calculate daily macronutrient targets based on your goals. Get personalized protein, fat, and carb recommendations for weight loss or muscle gain. Everything runs locally in your browser — nothing is uploaded.
Calculate recommended daily protein, carbs, and fat grams based on calorie intake. Follows standard 30/40/30 macro split. Everything runs locally in your browser — nothing is uploaded.
Estimate calories burned during exercise. Supports running, walking, cycling, swimming, yoga, lifting, and jump rope activities. Everything runs locally in your browser — nothing is uploaded.
Log your daily food intake with a built-in common foods database. Track total calories consumed throughout the day. Everything runs locally in your browser — nothing is uploaded.
Convert steps to calories burned. Enter your step count and weight to estimate calories and distance walked. Everything runs locally in your browser — nothing is uploaded.
Calculate heart rate training zones by age. Find your target heart rate ranges for different exercise intensity levels. Everything runs locally in your browser — nothing is uploaded.
Convert steps walked to distance in km and miles. Also estimates calories burned based on height and step count. Everything runs locally in your browser — nothing is uploaded.
Calculate running pace from distance and time. Enter your run details to find pace per kilometer and speed in km/h. Everything runs locally in your browser — nothing is uploaded.
Calculate calories burned during cycling based on weight, duration, and speed. Track your cycling workout calorie expenditure. Everything runs locally in your browser — nothing is uploaded.
Calculate your estimated due date from the first day of your last period. Get trimester dates and important pregnancy milestones. Everything runs locally in your browser — nothing is uploaded.
Track your fertile window and estimated ovulation date based on your last menstrual period. Helps with family planning. Everything runs locally in your browser — nothing is uploaded.
Calculate daily baby formula amount based on weight and age. Get recommended ounces and milliliters per feeding. Everything runs locally in your browser — nothing is uploaded.
Estimate baby growth percentiles from weight, height, and age. Monitor your childs growth compared to population averages. Everything runs locally in your browser — nothing is uploaded.
Get recommended sleep schedules for babies by age. Learn total sleep hours, nap count, and nighttime sleep duration. Everything runs locally in your browser — nothing is uploaded.
Predict a childs adult height based on parents heights using the mid-parental method. Estimate future height for boys and girls. Everything runs locally in your browser — nothing is uploaded.
Estimate your blood alcohol concentration (BAC) based on drinks consumed, weight, gender, and time elapsed. For educational purposes only. Everything runs locally in your browser — nothing is uploaded.
Get recommended sleep hours based on your age. Follows CDC and National Sleep Foundation guidelines from newborn to senior. Everything runs locally in your browser — nothing is uploaded.
Calculate daily water intake recommendations based on weight and exercise. Stay hydrated with personalized water goals. Everything runs locally in your browser — nothing is uploaded.
Calculate optimal bedtime based on wake time and sleep cycles. Find the best time to go to bed for refreshed mornings. Everything runs locally in your browser — nothing is uploaded.