Health
BMI calculator
Body Mass Index with WHO category interpretation.
Your inputs
Results
BMI
24.4
Category
Healthy weight
Healthy BMI range
18.5 – 24.9
Breakdown
Key figures at a glance
- BMI24.4
- CategoryHealthy weight
- Healthy BMI range18.5 – 24.9
This calculator returns a single figure, so there's no visual split — see the AI Insight below for context.
AI Insight
Personalized analysis from your numbers
Tap Generate for an AI-written breakdown of what your numbers mean, plus tailored next steps.
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About this calculator
What the BMI calculator does
BMI Calculator helps you body mass index with who category interpretation. It runs entirely in your browser — your inputs are never sent to a server.
How to use it
- Enter your details: Units, Weight, Height.
- Results update instantly as you type — no submit button needed.
- Tap an info icon next to any field for guidance on what to enter.
- Use the Share button to save a permalink that restores your exact inputs.
- Tap Generate on the AI Insight card for a personalized written breakdown.
Tips & context
- Try a few scenarios — adjust one input at a time to see its impact.
- Save useful scenarios to your dashboard for later comparison.
- Pair this with other Health calculators for a fuller picture.
FAQ
Frequently asked
Is this calculator free?+
Yes — every CortexCalculator tool is free, requires no signup, and runs locally in your browser.
Is my data private?+
Absolutely. Inputs stay on your device. Only anonymous AI Insight requests (when you tap Generate) leave the page.
How accurate are the results?+
We use standard financial formulas and refresh tax rates annually. Treat outputs as planning estimates, not professional advice.