BMI Calculator
Jenzzy calculates BMI and maps it to standard adult categories for a quick screening metric.
Inputs
Results
Enter values to see results.
Formula
BMI = Weight(kg) / Height(m)²
Ratio of mass to squared height; imperial units convert to metric first.
Example
- Height m: 1.75 m
- BMI: 82 / 1.75² ≈ 26.8= 26.8
Result: BMI 26.8 — overweight range
Frequently Asked Questions
Limitations?
BMI does not distinguish muscle from fat.
Children?
Pediatric BMI uses age-sex percentiles—not this adult chart.
Ethnicity?
Some guidelines adjust risk thresholds by population.