Ideal Weight Calculator — BMI Reference Range

STEP BY STEP

How to use ideal weight calculator — bmi reference range

1. Enter the labelled values in the displayed units.
2. Review the method: Lower bound = 18.5 × height in metres²; upper boundary (excluded) = 25 × height in metres².
3. Read the worked example and method limitations.

WHEN IT HELPS

Common uses

• Compare the assumptions: At 175 cm, the reference interval starts at 56.66 kg and ends below 76.56 kg.

IN PRACTICE

Example

At 175 cm, the reference interval starts at 56.66 kg and ends below 76.56 kg.

GOOD TO KNOW

Is there one ideal weight?

No. The conventional BMI interval is not a personal goal or weight-loss plan. Body composition, age, ethnicity and medical context affect interpretation. For adults 20+, outside pregnancy.