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Health & Fitness

Healthy BMI Weight Range Calculator

Find the weight range that corresponds to a healthy adult BMI (18.5–24.9) for your height, in kg or lb.

Your inputs

Results

Weight range for BMI 18.5–24.9

56.7 kg – 76.3 kg

Lower limit (kg)
56.7
Upper limit (kg)
76.3
Your weight
Within the range

≈Estimate based on the stated model and assumptions

Notes for this result

  • This is a population-level estimate for adults, not a diagnosis. Discuss health decisions with a qualified professional.

Inputs are never added to links for financial, salary or health calculators.

What this calculator does

This turns the healthy BMI band into actual weights for your height and shows how your current weight compares.

Formula and method

Weight range = 18.5 × height² to 24.9 × height² (height in metres)

Worked example

Calculated by this tool with its default inputs:

Inputs

  • Units: Metric (kg, cm)
  • Height: 175 cm
  • Weight: 70 kg

Results

  • Weight range for BMI 18.5–24.9: 56.7 kg – 76.3 kg
  • Lower limit (kg): 56.7
  • Upper limit (kg): 76.3
  • Your weight: Within the range

How to read the results

The range is broad on purpose; frame size and muscle mass affect where you sit within it.

Assumptions and limitations

  • Adults only.
  • An estimate for healthy adults, not a diagnosis or medical advice. Consult a qualified health professional about your personal situation.

Health results are general estimates for adults and do not replace medical advice, diagnosis or treatment. Speak to a qualified health professional about your personal situation, especially during pregnancy or if you have a medical condition.

Questions

Is the middle of the range ideal?

Not necessarily — anywhere within the range is classed as a healthy weight by BMI.

Methodology and verification

Result type
Estimate based on the stated model and assumptions
Formula version
1.0
Automated verification
3 reference and validation test cases, checked against independently computed values. The site cannot be built if any of them fail.
Editorial review
Awaiting human editorial review. The explanation was drafted with AI assistance; the formula and examples are verified by the automated tests above.

Privacy

Everything you enter is calculated in this browser and is not sent to Numerith or anyone else. Because this calculator can involve personal financial or health details, your inputs are never added to share links or saved to history. Privacy policy