Skip to content
ToolVibe

BMI Calculator

Calculators

Calculate body mass index from height and weight.

Result

AI suggestions for your calculation and result. Review before applying.

AI Assist
Thinking… This can take a few seconds

Optional AI assistance. Your input is only sent to our AI provider when you run an action.

What is BMI Calculator?

BMI Calculator computes body mass index from height and weight using metric or imperial units.

How to use BMI Calculator

  1. 1 Choose metric or imperial units.
  2. 2 Enter your height and weight.
  3. 3 Read the BMI and its category.

Supported formats and limits

  • Input: height and weight (metric or imperial)
  • Output: BMI and category
  • Runs in your browser

Common uses

  • Get a quick BMI estimate.
  • Track a value over time.
  • Compare metric and imperial measurements.

Things to know

  • BMI is a general screening measure and does not distinguish muscle from fat or account for body composition.

Privacy and file handling

Calculations are local to your browser.

Frequently asked questions

Is BMI a medical diagnosis?

No. BMI is a rough screening tool. Consult a healthcare professional for medical advice.

Is BMI a diagnosis?

No. BMI is a screening measure that does not account for muscle mass, so treat it as a rough guide only.

Can I use metric and imperial units?

Yes. Both are supported.

Is my data uploaded?

No. The calculation runs in your browser.

We use cookies for essential site functions, your theme preference, and our own first-party analytics. With your permission we also load Google Analytics to understand how the tools are used. Read our Privacy Policy for details.