How the healthy weight range is calculated
The range is worked backwards from the adult healthy BMI range of 18.5 to 24.9:
Example: at 170 cm (1.70 m), the range is 18.5 × 2.89 = 53.5 kg to 24.9 × 2.89 = 72.0 kg.
A range, not a single target
Healthy weights cover a wide band for a reason: people differ in muscle, bone and body shape. Two people of the same height can both be healthy at weights 15 kg apart. Rather than aiming for one number, it is more useful to look at the whole picture — eating habits, activity, sleep, blood pressure and how you feel.
If you want to compare the classic “ideal weight” formulas, try the ideal weight calculator.
Who this applies to
- Adults aged 18 and over.
- Not during pregnancy or breastfeeding.
- Less reliable for very muscular people and some older adults.
- Some populations are advised to use lower BMI thresholds, which would lower the upper limit of the range.
If your weight is outside the range
Small, sustainable changes tend to work better than big ones. Losing even 5–10% of body weight can bring health benefits for people above the range. If you are below the range, unexplained weight loss is worth discussing with a doctor.
The calorie calculator can estimate daily calories for gradual weight change, and the protein calculator can help you plan meals that keep you full and support muscle.
Frequently asked questions
What is a healthy weight for my height?
For adults, a healthy weight range is usually defined as the weights that give a BMI between 18.5 and 24.9 at your height. The calculator above shows that range for you.
Is the healthy range different for men and women?
The BMI-based range is the same for men and women of the same height, although body composition typically differs between them.
Should I aim for the middle of the range?
Not necessarily. Anywhere within the range can be healthy. Your doctor can help you decide on a sensible goal based on your health and history.
Methods and sources
Content reviewed: by the FitNumbra editorial team.