Comprehensive BMI lookup tables for adults and children, based on CDC and WHO clinical standards. Interactive, printable, and always free.
Find your BMI by height and weight. Color indicates CDC category.
BMI values are calculated using the standard formula: weight(kg) ÷ height(m)². Rounded to one decimal place. CDC categories apply to adults aged 20 and older.
Find your height row, then scan across to your weight column. The colored cell shows your BMI score and category. Use the finder tool to highlight your exact cell.
BMI is a screening tool, not a diagnostic measure. Factors like muscle mass, bone density, age, and ethnicity can affect how BMI relates to actual health risk.
Click "Print / Save PDF" above to get a clean printable version of this chart without navigation elements. Perfect for patient handouts or personal reference.
For children 2–19, BMI is interpreted using age- and sex-specific percentile cutoffs (CDC Growth Charts). A child's BMI category depends on where their BMI falls relative to other children of the same age and sex.
| Age | Underweight <5th pct |
Healthy 5th–84th |
Overweight 85th–94th |
Obese ≥95th pct |
|---|---|---|---|---|
| Age | Underweight <5th pct |
Healthy 5th–84th |
Overweight 85th–94th |
Obese ≥95th pct |
|---|---|---|---|---|
A percentile shows how a child's BMI compares to others the same age and sex. A child at the 75th percentile has a BMI higher than 75% of children their age — this is still in the healthy range.
The same BMI formula is used (weight ÷ height²), but the result is plotted on CDC age- and sex-specific growth charts to determine the percentile category.
BMI is one tool used by healthcare providers. A child's growth trend over time is more meaningful than a single measurement. Always consult a pediatrician for assessment.
The green band shows the weight range corresponding to BMI 18.5–24.9 (healthy weight) for each height (imperial). Data points represent BMI 18.5, 22.0, and 24.9.
According to CDC NHANES data, approximately 31.9% of US adults are classified as obese (BMI ≥30), with an additional 31.1% classified as overweight (BMI 25–29.9).
US adult obesity rates have risen significantly — from ~15% in the 1970s to nearly 42% today. Overweight rates (including obesity) now affect approximately 73% of US adults.
WHO reports that worldwide obesity has nearly tripled since 1975. In 2016, more than 1.9 billion adults were overweight, of whom over 650 million were obese.