Find a healthy weight range for your height, plus ideal-weight formula estimates.
What this calculator does
Enter your height and sex to see the weight range for a healthy BMI, along with classic ideal-weight formula estimates. Use it as a guide, not a strict target.
How to use it
- Enter your figures in the fields provided.
- The result updates as you type.
- Review the breakdown below the main number.
The maths behind it
healthy range = 18.5–24.9 × height(m)²
A worked example
Take the starting scenario, a height of 175. That gives a ideal weight (Devine) of 70.5 kg. Underneath, Robinson comes out at 68.9 kg and Miller at 68.7 kg. Change any field and every figure updates as you type.
Common questions
What is a healthy weight?
The range giving a BMI of about 18.5 to 24.9 for your height.
Is one number right?
No — build and muscle vary, so a range is more useful than a single figure.