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FREETOOLS LABS

Calculator

BMI Calculator

Calculate BMI from height and body weight.

Your details

The calculator uses height and body weight only.

Result

Your BMI

24.7

BMI is a screening measure, not a diagnosis or a direct body-fat measurement.

BMI value24.7
Adult categoryHealthy weight

The categories shown are intended for adults aged 20 and over.

For additional body-composition values that are explicitly estimates, use the Body Metrics & Body Fat Calculator.

How it is calculated

BMI = body weight in kg ÷ height in m².

The categories shown are intended for adults aged 20 and over.

Adult categories

  • ✓Below 18.5: Underweight
  • ✓18.5 to under 25: Healthy weight
  • ✓25 to under 30: Overweight
  • ✓30 and above: Obesity

What BMI does not show

BMI does not directly distinguish fat mass from muscle mass.

It does not replace a complete individual health assessment.

BMI is a screening measure, not a diagnosis or a direct body-fat measurement.

CDC – Adult BMI Categories: Source for adult scope, categories and screening context.

Frequently asked questions

How is BMI calculated?

Body weight in kilograms is divided by height in metres squared.

What do the categories mean?

The thresholds used here are adult screening categories for ages 20 and over.

Is BMI a diagnosis?

No. BMI is a screening measure, not a complete individual health assessment.

Does BMI account for muscle mass or body fat?

No. BMI does not directly measure either.