BMI is a simple ratio of weight to height used as a general screening indicator.

Does BMI diagnose health conditions?

No. It is a reference metric and should not replace professional medical assessment.

Can this show a healthy weight range?

Yes. It provides an estimated reference range based on standard BMI boundaries.

Should athletes use BMI alone?

BMI can be less representative for high-muscle profiles, so interpret results with context.

Health tool

BMI / Healthy Weight Calculator

Calculate body mass index, compare it with common adult BMI categories, and see the healthy reference weight range for your height.

Metric + imperialBMI categoryHealthy weight rangeInstant result

Inputs

Change values to calculate BMI, category, and reference weight range instantly.

Best use

Use BMI as a quick screening number, then judge progress with waist size, energy, strength, and photos.

Good target

The middle of the healthy range is a reference point, not a command. Body composition matters more than chasing one exact number.

Formula

BMI = weight in kilograms divided by height in meters squared. The same result is shown for metric and imperial inputs.

Results

BMI summary

Category, target range, and how far your current weight is from the reference range.

Your BMI

20.2Healthy range

BMI scale

Adult reference categories

14 - 40+

20.2

18.5253040+

Healthy weight range

56.7 - 76.3 kgBased on BMI 18.5 - 24.9

Current weight

62 kg175 cm height reference

Middle target

66.5 kgApproximate center of the healthy BMI range

Range guidance

No range adjustmentYou are already inside the reference range.

Your weight sits inside the common adult BMI reference range for this height.

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Tool guide

How to read BMI results

Use the BMI calculator as a quick screening estimate for body mass index and healthy weight ranges, not as a medical diagnosis.

Last updated: June 5, 2026

Maintained by: Chhun Menghong

Recommended workflow

Enter height and weight using the same unit system throughout the calculation.
Read the BMI range together with age, body composition, activity level, and health context.
Use the result to start a conversation with a qualified health professional when needed.

Before relying on the result

BMI can be less useful for athletes, pregnant users, children, older adults, and people with unusual body composition.
Do not use BMI alone to make medical, nutrition, or medication decisions.
Seek professional advice for health concerns or major diet and exercise changes.

Help & answers

Frequently Asked Questions

Important disclaimer: Alexonic Tools is completely free to use. There is no charge, and we do not save tool inputs or generated results. We value customer privacy and keep building and fixing each day. Always verify important financial, payroll, legal, tax, business, or production-code results before relying on them. If you see an issue, need a tool, or require an update, send feedback to the developer.