Free browser tool
BMI Calculator
Calculate body mass index using metric or imperial units.
Last updated:
BMI details
Estimate body mass index using the measurements you know.
BMI estimate
22.9
Healthy weight
BMI is a general screening estimate and does not account for body composition, age, pregnancy, or medical context.
Free BMI calculator
BMI can be useful for quick general screening, but it does not capture individual medical context.
Tool description
Calculate body mass index using metric or imperial units. BMI is a quick screening number based on height and weight.
Common uses
- Estimate BMI from height and weight.
- Switch between metric and imperial measurements.
- Use the result as a general health screening reference.
How to use BMI Calculator
- 1. Choose metric or imperial units.
- 2. Enter height and weight.
- 3. Review the BMI value and category.
FAQs
Is BMI a medical diagnosis?
No. BMI is a general screening measure and does not replace advice from a healthcare professional.
Does BMI work for athletes?
It can be less accurate for people with high muscle mass, pregnancy, or certain medical conditions.
Can I use pounds and feet?
Yes. Switch to imperial units if you prefer feet, inches, and pounds.