Health Calculators

BMI, calorie, body fat, pregnancy, and fitness calculators.

Calculate your Body Mass Index (BMI) instantly to see if you are at a healthy weight.

Estimate your daily calorie needs based on age, gender, weight, height, and activity level using the Mifflin-St Jeor equation.

Estimate your ovulation date, fertile window, and next period based on your menstrual cycle.

Calculate your body fat percentage using the U.S. Navy method. Enter your measurements for an accurate estimate.

Calculate your estimated due date based on your last menstrual period. See your current week, trimester, and days remaining.

Calculate the best bedtime based on your wake-up time and sleep cycles. Wake up refreshed by timing your sleep perfectly.