Health Calculators — BMI, Body Fat, Child Growth, Period and Due Date
Check BMI and body fat, daily calories, a child's height and weight percentile, predicted adult height, your period and ovulation dates and a pregnancy due date.
- Body Fat Calculator Estimate body fat with just a tape measure.
- Child Growth Percentile Calculator Find where a child's height and weight fall compared with other children of the same age and sex.
- BMI Calculator Enter your height and weight to get your body mass index, the category it falls in, and the weight range that counts as healthy for your height.
- Child Height and Weight Chart See the usual height and weight range for every age from birth to 20.
- Calorie Calculator Find out roughly how many calories your body uses each day and how many to eat to maintain, lose or gain weight.
- Height Chart for Kids Is your child short, average or tall for their age?
- Genetic Height Calculator Estimate a child's adult height from the mother's and father's heights.
- BMR Calculator Your basal metabolic rate (BMR) is the energy your body uses at rest to keep breathing, circulating blood and holding its temperature.
- Period and Ovulation Calculator Find out when your next period is due and which days you are most fertile.
- Running Pace Calculator Ran 5K in 25 minutes?
- Heart Rate Zone Calculator Find your five training zones from your age.
- Sleep Calculator Need to be up at 7?
- Blood Type Calculator A mother with type B and a father with type A — what can the baby's blood type be?
- Ideal Weight Calculator Enter your height and sex to compare four widely used ideal body weight formulas.
- Water Intake Calculator Enter your weight and daily exercise time for a rough daily water estimate.
- Pregnancy Due Date Calculator Find your estimated due date and how far along you are today.
- Waist Ratio Calculator Enter your height, waist and hip measurements to calculate waist-to-height ratio and waist-to-hip ratio.
- Calories Burned Calculator How many calories does a 30-minute run burn?
- Steps to Distance and Calories Your phone says 10,000 steps today — how far is that, and how many calories?
- Protein Intake Calculator How much protein do you need to build muscle, or to keep muscle as you age?
- Baby Age Calculator How many months old is your baby today, and when is the 100th day?
- Color Blind Test Can you read the number hidden in the dots?
- Online Hearing Test How evenly do you hear low and high tones in each ear?
- BMI Calculator for Children and Teens Adult BMI categories do not apply to children, because a healthy BMI changes with age and differs for boys and girls.