What is BMI Calculator?
Calculate body mass index (BMI) from your height and weight. BMI is a screening measure and does not diagnose health conditions.
Enter height and weight to calculate BMI. For metric units, BMI equals weight in kilograms divided by height in meters squared.
How to use this tool
- 1
Choose metric or US customary units.
- 2
Enter your height and weight in the matching units.
- 3
Read the calculated BMI and its standard adult screening range.
Features
- Metric and US customary units
- Shows BMI and standard adult category
- Inputs are not stored
Example
At 70 kg and 1.75 m, BMI is 70 ÷ 1.75² = 22.86.
BMI = weight (kg) ÷ height² (m²)Frequently asked questions
What is the BMI formula?+
BMI = weight in kilograms ÷ height in meters². For pounds and inches, multiply pounds by 703 and divide by inches².
Is BMI a diagnosis?+
No. BMI is a screening measure and does not account for every factor affecting health.
About this bmi calculator
BMI Calculator is part of itotii’s free collection of browser-based utilities. It is designed for a quick workflow: find the tool, complete the task and keep control of your files and data.
Output depends on your input and browser support. Review the result before using it in a published or important document.