Fitness & Health Calculators

Free fitness and health calculators to help you track your health metrics, plan workouts, and manage your wellbeing.

Calculate optimal bedtime and wake-up times using 90-minute REM sleep cycles to wake up refreshed.

Calculate your Body Mass Index and find out if you are at a healthy weight.

Calculate your recommended daily calorie intake based on age, gender, and activity level.

Estimate your body fat percentage using body measurements.

Calculate your Basal Metabolic Rate - the number of calories your body needs at rest.

Find your ideal body weight based on your height, gender, and frame size.

Calculate your running pace, distance, or time for training and racing.

Estimate your due date and key pregnancy milestones by entering the date of your last period.

Calculate your estimated due date, current gestational age, and pregnancy milestones using the standard OB wheel method.

Estimate your conception date based on your due date or last period.

Calculate your estimated due date and important pregnancy dates.