Health Tools

Health and fitness calculators for BMI, calories, water intake, body fat, heart rate and more.

Free Health Calculators & Tools

• BMI Calculator
  Free BMI calculator. Calculate your Body Mass Index in metric or imperial units and see which weight category you fall into.
• Calories Calculator
  Free calorie calculator. Calculate your daily calorie needs for losing, maintaining, or gaining weight based on your activity level.
• Body Fat Calculator
  Free body fat calculator. Estimate your body fat percentage using the US Navy method with circumference measurements.
• Water Intake Calculator
  Free water intake calculator. Find out how much water you should drink daily based on your weight and activity level.
• Sleep Calculator
  Free sleep cycle calculator. Find the best bedtime or wake-up time based on 90-minute sleep cycles for restful sleep.
• BMR Calculator
  Free BMR calculator. Calculate your Basal Metabolic Rate and TDEE to understand your daily energy expenditure.
• Heart Rate Calculator
  Free heart rate calculator. Find your maximum heart rate and training zones using the Karvonen method.
• Pregnancy Calculator
  Free pregnancy due date calculator. Estimate your due date and track your pregnancy week by week.
• Pace Calculator
  Free running pace calculator. Calculate your pace per km or mile from distance and time.