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BMI Calculator

Math

Calculate body mass index (BMI) with metric or imperial units and see your category.

Measurements

About the Handiwork BMI Calculator

The BMI Calculator computes your Body Mass Index from height and weight, supporting both metric (kg/cm) and imperial (lb/ft/in) units. It shows your BMI value, weight category, and the healthy weight range for your height — a quick screening snapshot, not a medical diagnosis.

How to use the Handiwork BMI Calculator

  1. Choose metric or imperial units.
  2. Enter your weight and height.
  3. Read your BMI, category, and healthy weight range.

Understanding BMI categories

BMI groups adults into underweight (below 18.5), normal weight (18.5–24.9), overweight (25–29.9), and obese (30 and above). These ranges are population-level screening tools; muscle mass, age, and other factors are not reflected in BMI alone.

Healthy weight range

For your height, the calculator shows the weight range that corresponds to a BMI of 18.5 to 24.9. This gives a concrete target band, though individual health goals should always be discussed with a qualified provider.

Frequently asked questions

Is BMI accurate for athletes?

BMI does not distinguish muscle from fat, so very muscular people may score “overweight” despite low body fat. Treat BMI as one screening tool among many.

Which units can I use?

Switch between metric (kilograms and centimeters) and imperial (pounds, feet, and inches) at any time.

Is this a medical diagnosis?

No. BMI is a general screening metric, not a diagnosis. Talk to a healthcare provider about your health and weight goals.