HesapHanem

Healthy Weight Range Calculator

Enter your height in centimeters.

Result

56.7 – 76.3 kg
56.7 kg
76.3 kg

How it is calculated

The tool turns the BMI formula around. BMI is weight ÷ height², so the weight for a given BMI is weight (kg) = BMI × h² with h in metres. You type your height in centimetres and the tool divides by 100 first.

It then applies the two ends of the normal BMI band: minimum = 18.5 × h² and maximum = 24.9 × h². Results are in kilograms, rounded to one decimal, shown as a range and as separate minimum and maximum. Age, sex, muscle mass and frame size are not used; everyone gets the same band. Heights outside 50–272 cm are rejected and show no result, which also catches a height typed in metres. The range is a screening reference, not a personal target or medical advice.

Worked example

Take a height of 175 cm. Convert to metres: 175 ÷ 100 = 1.75 m, and 1.75² = 3.0625. Minimum = 18.5 × 3.0625 ≈ 56.7 kg. Maximum = 24.9 × 3.0625 ≈ 76.3 kg. The tool shows the healthy range as 56.7 – 76.3 kg. A person of this height whose weight falls inside that span has a BMI between 18.5 and 24.9.

Try this example →

Common mistakes

  • Entering height in metres (1.75) or in feet and inches. The field is in centimetres and anything below 50 is rejected, so 1.75 shows no result.
  • Reading the range as an ideal weight for everyone. Muscle mass, age and body composition are not considered, so a muscular person can sit above it while being healthy.
  • Aiming for the lowest figure. The bottom of the range is simply where BMI reaches 18.5, not a recommended target.
  • Using the result for children or teenagers. The fixed adult band does not apply to them.
  • Treating the maximum as a hard cut-off: 76.3 kg is where BMI reaches 24.9 at 175 cm, not a threshold of health.

Sources

About this calculator

The healthy weight range for a given height is the span of body weights that keep Body Mass Index (BMI = weight ÷ height²) within the World Health Organization's normal band of 18.5 to 24.9. Rather than giving a single “ideal” number, this calculator inverts the BMI formula at both boundary values to return a minimum and maximum weight in kilograms for your exact height, reflecting the fact that a healthy weight is a range, not a point.

This range is widely used as a screening reference by clinicians, dietitians and fitness professionals during checkups and goal-setting, since it's fast to calculate from just height and requires no specialized equipment. It's worth remembering that BMI-based ranges don't account for muscle mass, bone density, age or body composition, so they're a population-level starting point for discussion rather than a diagnosis for any one individual — athletes and older adults in particular can fall outside the “normal” band while being perfectly healthy.

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Comments (1)

  • Editorial team

    The band is built from height squared, so it widens as people get taller: about 16 kg between the low and high end at 160 cm, and about 21 kg at 180 cm. Where you sit inside it says little on its own, because the tool knows nothing about muscle, age or build. If the number worries you, a doctor can read it alongside things this tool cannot see. Would a different BMI band be useful to you?

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