Healthy Kid Calculator®

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Calculate any kid’s healthy weight range, height, BMI (body mass index) and Calorie Goal for age from birth to 18 years of age.

Read frequently asked questions about the Healthy Kid Calculator®.

Required Fields are marked with *.

Your Body Data
Measurement Units: *
Birth Date *
Gender: *
Born premature (before 37 weeks): *
Child with special health care needs such as congenital or impaired motor skills: *
Height: * Feet    Inches
Weight: * Pounds    Ounces
E-Mail Address *
Do you have any amputated limbs:
Activity Level
Daily activity
(hours per day):
sitting, standing, driving
Low activity
billiards, canoeing (leisurely), dancing (ballroom), golf (with cart), horseback riding (walking),
loading/unloading car, taking out trash, walking (2 mph), walking the dog, watering plants
calisthenics (no weight), cycling (leisurely), gardening (no lifting), golf (no cart), household tasks (moderate effort mopping), mowing lawn (power mower), raking lawn, swimming (slow), vacuuming, walking (3-4 mph)
Very active
chopping wood, climbing hills (no load up to 5 kg load), cycling (moderately), dancing (aerobic), ballet, ballroom fast), jogging (10 minute mile), surfing, swimming, tennis