Calculate Healthy Weight Range and BMI
Enter your height and (optionally) your current weight to estimate a healthy weight range and body mass index.
What a height to weight calculator tells you
A height to weight calculator gives a quick estimate of where your weight falls relative to your height. Most tools do this using Body Mass Index (BMI), then compare your number with standard BMI categories. It can also estimate a healthy weight range for your height.
This is useful for spotting trends, setting realistic targets, and starting a conversation with a healthcare provider. It is not a diagnosis and should not replace personal medical advice.
How this calculator works
1) Healthy weight range from height
The calculator first converts your height into meters, then uses the commonly accepted healthy BMI range (18.5 to 24.9) to estimate a weight interval:
- Minimum healthy weight = 18.5 × height²
- Maximum healthy weight = 24.9 × height²
2) BMI from your current weight
If you enter your current weight, the tool computes BMI:
- BMI = weight (kg) ÷ height² (m²)
Then it labels your result as underweight, healthy weight, overweight, or obesity range.
3) Optional ideal-weight estimate
If you choose a gender option, the calculator provides an additional estimate using the Devine formula. This is a rough reference point, not a strict goal.
BMI categories at a glance
- Below 18.5: Underweight
- 18.5–24.9: Healthy weight
- 25.0–29.9: Overweight
- 30.0 and above: Obesity
Quick reference table: height to healthy weight
| Height | Healthy Weight (kg) | Healthy Weight (lb) |
|---|---|---|
| 150 cm (4'11") | 41.6 – 56.0 | 91.7 – 123.5 |
| 160 cm (5'3") | 47.4 – 63.7 | 104.5 – 140.4 |
| 170 cm (5'7") | 53.5 – 72.0 | 117.9 – 158.7 |
| 180 cm (5'11") | 59.9 – 80.7 | 132.1 – 177.9 |
| 190 cm (6'3") | 66.8 – 89.9 | 147.3 – 198.2 |
Important limitations
Height-to-weight tools are best used as a screening guide. They do not directly measure body fat, muscle distribution, or metabolic health. A trained athlete and a sedentary adult can have the same BMI but very different health profiles.
- Muscle mass can raise weight without increasing health risk.
- Age, sex, and genetics influence body composition.
- Waist circumference and blood markers often add important context.
- Pregnancy and certain medical conditions require specialized guidance.
How to use your result wisely
Focus on trends, not single-day numbers
Weight can fluctuate due to hydration, sodium intake, and hormonal cycles. Track weekly averages instead of reacting to daily changes.
Set a practical target
If your weight is outside the healthy range, aim for gradual progress. Even a modest reduction can improve blood pressure, glucose levels, and energy.
Pair weight goals with behavior goals
- Eat mostly whole foods and prioritize protein and fiber.
- Strength train 2–4 times per week to preserve muscle.
- Walk more daily and keep sleep consistent.
- Review progress every 2–4 weeks and adjust slowly.
Frequently asked questions
Is BMI accurate for everyone?
No. BMI is helpful at a population level, but for individuals it can miss body composition differences. Use it as one data point, not the final verdict.
What is the best weight for my height?
There is no single perfect number. A healthy range plus factors like waist size, fitness, and lab values gives a better overall picture.
Should I use metric or imperial units?
Either works. This calculator supports both and converts internally for consistent results.
Medical note: This tool is for education only. For personalized recommendations, especially if you have a chronic condition, consult a licensed healthcare professional.