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Healthy Weight Range Calculator

WHO BMI 18.5–24.9 range for your height.

Best for: Use it to set a realistic goal weight or check where you stand.

Complete guide
See benchmark ranges Why this result happened View assumptions
Country (units):

Input

How it's calculated & sources
The Healthy Weight Range Calculator uses the standard formula for this calculation. It runs entirely in your browser, so your inputs are never uploaded. Figures are educational estimates, not professional advice — verify important decisions with a qualified expert. Last reviewed June 2026.
Key assumptions
  • Healthy BMI band 18.5-24.9
  • A guide, not a strict rule

Educational estimate only — not medical advice. Consult a qualified healthcare professional for decisions about your health.

Free & no sign-up · runs entirely in your browser. Results are estimates for general information, not professional advice — verify important decisions with a qualified expert. Last reviewed June 2026.

How it works

WHO healthy BMI range: 18.5 – 24.9

Weight = BMI × height² (m)

Example

175 cm → 56.6 – 76.3 kg healthy range.

Frequently asked questions

Does this apply to athletes?+

BMI overstates fat for very muscular people. Use body fat % too.

Continue your journey

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Complete guide

Quick answers

Short, sourced answers to the questions people (and AI assistants) ask most.

What is Healthy Weight Range?
This tool shows the healthy weight range for your height \u2014 the band of weights that fall in the normal BMI zone.
Why does Healthy Weight Range matter?
It is paired with weight to judge healthy ranges and body composition.
How is Healthy Weight Range calculated?
It multiplies the healthy BMI limits (18.5 and 24.9) by your height in metres squared to give a low\u2013high weight range. Formula: Weight range = 18.5 \u00d7 height(m)\u00b2 to 24.9 \u00d7 height(m)\u00b2.
What is a good healthy weight range?
18.5-24.9 (healthy range)
What are common healthy weight range mistakes?
Using BMI for athletes or very muscular people
When should you use the Healthy Weight Range Calculator?
Use it to set a realistic goal weight or check where you stand.

What is the Healthy Weight Range Calculator?

This tool shows the healthy weight range for your height \u2014 the band of weights that fall in the normal BMI zone.

How the Healthy Weight Range Calculator works

It multiplies the healthy BMI limits (18.5 and 24.9) by your height in metres squared to give a low\u2013high weight range.

Weight range = 18.5 \u00d7 height(m)\u00b2 to 24.9 \u00d7 height(m)\u00b2
  • height — In metres (squared)
  1. Enter your height — your height, entered in centimeters/meters or feet and inches.
  2. Enter your weight — your body weight, entered in kilograms or pounds.
  3. Read the result, then change any input to compare scenarios instantly — the Healthy Weight Range Calculator recalculates as you type.

Understanding the inputs

What each value means, why it matters, and a typical range — so you can fill in the calculator with confidence.

Height

Your height, entered in centimeters/meters or feet and inches.

Why it matters:
It is paired with weight to judge healthy ranges and body composition.
Typical range:
Varies by person.
How it affects results:
  • Higher: A given weight reads as a lower BMI.
  • Lower: A given weight reads as a higher BMI.

Common mistake: Entering centimeters where meters are expected, or mixing units.

Weight

Your body weight, entered in kilograms or pounds.

Why it matters:
It feeds BMI, calorie, body-fat and dosing calculations.
Typical range:
Varies by person; tools accept metric or imperial.
How it affects results:
  • Higher: Raises BMI and calorie needs.
  • Lower: Lowers BMI and calorie needs.

Common mistake: Mixing units - entering pounds where kilograms are expected.

Benchmark reference

What counts as poor, average or excellent for this metric.

Body Mass Index

Poor30+ (obese)
Below average<18.5 (underweight)
Average18.5-24.9 (healthy)
Above average25-29.9 (overweight)

Source: World Health Organization (WHO) · Updated June 2026

Typical values

Body Mass Index:
18.5-24.9 (healthy range)

Common interpretation errors

  • Using BMI for athletes or very muscular people
  • Ignoring body composition
  • Using adult BMI for children

What impacts results most

  1. 1.
    Height (High impact)The range is BMI 18.5-24.9 times height squared.

Key assumptions

  • Healthy BMI band 18.5-24.9
  • A guide, not a strict rule

Healthy weight range by height (WHO BMI 18.5–24.9)

5'0"43–58 kg95–127 lb
5'4"49–66 kg108–145 lb
5'8"55–74 kg122–164 lb
6'0"62–83 kg136–184 lb

Worked example

At 1.70 m: low = 18.5 \u00d7 1.70\u00b2 = 53.5 kg; high = 24.9 \u00d7 1.70\u00b2 = 72.0 kg \u2192 healthy range \u2248 53\u201372 kg.

Compared to alternatives

Ideal Weight vs Healthy Range

A single formula target versus the healthy-BMI band.

Ideal WeightHealthy Range
OutputOne numberA low-high range
BasisDevine/Robinson etc.BMI 18.5-24.9
Best forA rough targetA realistic goal band

Bottom line: Aim for the healthy range; treat any single 'ideal' number as approximate.

Ideal Weight calculator·Healthy Range calculator

Related concepts

How Ideal Weight connects to the concepts around it.

BMI:
Weight relative to height, a quick health screen.
Body Fat:
The share of body weight that is fat.
Waist-Hip Ratio:
Waist divided by hip, a fat-distribution risk marker.

Reviewed sources & methodology

Methodology: Professional Estimate · Last reviewed June 2026.

Keywords: healthy, weight, range.

This tool is for general information only and is not medical advice. Consult a qualified healthcare professional for decisions about your health.

Reviewed by the Free Tools Galaxy editorial team · Updated June 2026 · Calculated privately in your browser.

Frequently asked questions

Is the Healthy Weight Range Calculator free to use?+

Yes. Every tool on Free Tools Galaxy is 100% free, runs in your browser and requires no signup.

How accurate is the Healthy Weight Range Calculator?+

Healthy Weight Range Calculator uses the standard healthy weight range formula in double-precision arithmetic, so the same inputs always produce the same result and you can verify any figure by hand. It is an educational estimate — real-world outcomes depend on your actual rates, rules and assumptions.

Do you store my inputs?+

No. The Healthy Weight Range Calculator runs entirely in your browser. Nothing is uploaded or saved to a server.

Can I use the Healthy Weight Range Calculator on mobile?+

Yes — the interface is fully responsive and works on phones, tablets and desktops.

What are common mistakes to avoid?+

The most frequent mistake is mixing units. Double-check your inputs use a single, consistent unit before clicking Calculate.

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WHO BMI 18.5–24.9 range for your height.

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