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Money & Calculators
Free online tool
Calculate body mass index from height and weight as a simple screening measure.
Calculator results are estimates. Check important financial, tax or market figures against the relevant current official source or professional advice.
Tool workspace
Enter the values you want to calculate, then review the estimate below.
Learning how BMI is calculated and getting a quick educational reference.
Use consistent units and treat the result as one data point rather than a diagnosis.
BMI does not account for muscle mass, body composition, age, pregnancy or individual medical circumstances.
How to use it
Use the controls above, check the result, then copy or download it when available.
No. BMI is a screening measure and should not replace medical advice.
Use this tool whenever you need: Learning how BMI is calculated and getting a quick educational reference. It offers a fast, client-side workflow without sign-ups, installation or complex software.
Yes. All processing executes locally in your browser using client-side JavaScript. Your inputs, files and calculations remain private and are never uploaded to our servers.
Use consistent units and treat the result as one data point rather than a diagnosis. Important note: BMI does not account for muscle mass, body composition, age, pregnancy or individual medical circumstances.
Related
Health utility
Enter your height and weight to get an instant BMI estimate and category.
1. Your measurements
Use centimetres for height and kilograms for weight.
2. Your result
BMI
24.2
Healthy range
Based on 170 cm and 70 kg.
Formula
Weight ÷ height²
Weight in kilograms and height in metres.
Category
Healthy range
A general screening category, not a diagnosis.
BMI is a general screening measure based on weight and height. It does not diagnose health conditions or account for age, pregnancy, muscle mass or other individual factors. This calculator is not medical advice.