Math & Calculators / BMI Calculator
BMI Calculator
Calculate your Body Mass Index and see your weight category.
Features
- Metric and imperial units
- Shows weight category
- Instant results
- Free, unlimited use
How to Use
Step 1
Choose metric or imperial units.
Step 2
Enter your weight and height.
Step 3
Click Calculate BMI.
About This Tool
BMI Calculator computes your Body Mass Index from weight and height, and shows which category it falls into.
Formula used (metric): BMI = weight(kg) ÷ height(m)². Formula used (imperial): BMI = (weight(lb) ÷ height(in)²) x 703.
Frequently Asked Questions
Is BMI accurate for everyone?
BMI is a general screening tool and may not accurately reflect body composition for athletes or highly muscular individuals.
Does this store my health data?
No, calculations happen entirely in your browser and nothing is saved.