Teen BMI Calculator

Real-time BMI, BMI Prime, CDC BMI-for-age percentile (2–20 years), and teen category.

Inputs

📏 Height ?

⚖️ Weight ?

🎂 Age ?

🚻 Sex ?

Live results

BMI (kg/m²)

BMI Prime

Percentile

Teen category

Quick summary

Enter height and weight (plus age and sex for the teen percentile). Your results will appear here.

Sources

• CDC Growth Charts Data Files (L–M–S & percentiles, BMI-for-age 2–20 years).
• CDC: Calculating BMI and metric/U.S. formulas.
• CDC: Child & Teen BMI Categories (percentile cut-points).

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