Pediatric Edition
The easiest way to calculate your
child's Body Mass Index (BMI), and
BMI, Height, and Weight Percentiles.
Included with Tonus BMI and Growth Calculator:
2 LR44 Batteries
User instructions
Children's BMI information and chart
The Tonus BMI and Growth Calculator is the first portable
digital tool to use at home with your children, to
BMI and BMI percentiles, as well as their height and
weight percentiles.
 You only need to know your child’s
height, weight, and age.  Why wait a whole year to get the
most important information about your child?  One button
with 4 positions controls all functions and entries.

If you are concerned about your child’s results, please contact your child’s doctor and enquire if other health assessments
or diagnostic tests should be performed.  Doctors and other health care professionals are the best people to determine
whether your child’s weight is healthy, and they can help rule out rare medical problems as the cause of unhealthy weight.  
A physician will also consider your child’s age and growth patterns to determine whether his or her weight is healthy.

This product is designed to deliver the best results for children ages 2-18 and under 220 lbs (100 kg).  
The U.S. Government Centers for Disease, Control, and Prevention (CDC) and the
American Academy of Pediatrics recommend monitoring your child’s BMI
percentile to screen for overweight in children and teens starting at age 2. BMI is
used as a screening tool to identify possible weight problems for children. If
you're worried that your child may be overweight, make an appointment with your
child's doctor.
Knowing your child’s BMI and BMI percentile is the
best way to know if your child is overweight. It is a
useful screening tool to identify weight categories
that may lead to health problems as your child
Mass Index (BMI), BMI Percentile, and Height and Weight Percentiles. Track the
stats today - to help keep your kid on the right growth track.


Almost 1 of every 5 children are overweight.

FACT: Risk factors for heart disease, such as high cholesterol and high blood pressure,
occur with increased frequency in overweight children compared to children with a healthy

FACT: Type 2 diabetes has increased dramatically in children and adolescents. Overweight
and obesity are closely linked to type 2 diabetes, previously considered to be an adult

FACT: Overweight adolescents have a 70% chance of becoming overweight or obese adults.
Such adults are at risk for problems including heart disease, type 2 diabetes, high blood
pressure, osteoarthritis, and some forms of cancer.

FACT:  Childhood obesity has been linked to a premature onset of puberty.

FACT: Overweight children can face social discrimination. This is associated with poor
self-esteem and depression.
The only way for you to get this information is to know how to work with
very difficult formulas and charts, or to make a special trip to the
pediatrician.  If you want to make sure that your child is staying on the right
fitness track, then learning your child’s
BMI and BMI percentile is essential.
Knowing your child’s height and weight percentiles can
make sure your child is on the right growth track.  

Why wait for the annual check up?  With TONUS PE, you
can get your child’s growth rate info at any time.
Calculate your child’s BMI and BMI Percentile -
using CDC approved formulas
Calculate your child's Height and Weight Percentiles -
using CDC approved formulas
Please click here to read the The
Surgeon General's Call To Action
To Prevent and Decrease
Overweight and Obesity in children
and adolescents.