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Calculate body mass index from height (cm) and weight (kg). See your category using standard WHO-style ranges for adults.
This tool is designed to run in your browser. Do not paste highly sensitive secrets into public demos if your organization policy forbids it.
BMI Calculator is a free online tool on Rishtaara. Free body mass index calculator with category (underweight to obese).
People use BMI Calculator for everyday work, study, and quick checks when they need an answer without installing desktop software. Results appear in the page so you can copy them into docs, spreadsheets, or code.
BMI = weight (kg) / [height (m)]²
Estimates only — not financial, legal, or medical advice.
Run BMI Calculator before you commit to a plan, payment, or measurement.
Change one input at a time to see how the result shifts.
Copy the result into notes, chats, or spreadsheets for discussion.
Yes. BMI Calculator on Rishtaara is free to use with no signup.
This utility is designed to run in your browser. Your inputs stay on your device during normal use.
Results are estimates for planning and learning. Confirm important decisions with your bank, advisor, or official statements.
Use it whenever you need a quick online tool for bmi calculator tasks without installing software.
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