cm / in
kg / lb
Your BMI23.5
Healthy weight
Under
Healthy
Over
Obese
CategoryHealthy weight
Healthy weight range53.5 kg – 72 kg
Distance to range edgeIn range
BMI Prime0.94
● calculated in 0.00 msruns in your browserupdated 07:35:34
Visualise
Chart
Breakdown
BMI chart for your height
| Category | BMI | Weight for your height |
|---|---|---|
| Underweight | below 18.5 | below 53.5 kg |
| Healthy | 18.5 – 24.9 | 53.5 kg – 72 kg |
| Overweight | 25 – 29.9 | 72.3 kg – 86.4 kg |
| Obese | 30 and above | 86.7 kg and above |
The maths
Formula
This is the exact calculation the tool runs.
BMI = weight (kg)height (m)²
US units703 × lb ÷ inches²
Healthy18.5 to 24.9
PrimeBMI ÷ 25
Practice
Worked examples
Click "Try it" to load an example into the tool.
Adult, metric
Units: Metric (cm, kg)Height: 175 cmWeight: 82 kg
26.8
Adult, US units
Units: US (inches, lb)Height: 65 cmWeight: 140 kg
23.3
Tall and slim
Units: Metric (cm, kg)Height: 188 cmWeight: 64 kg
18.1
Step by step
How to use the BMI Calculator
Choose your units
Metric uses centimetres and kilograms. US uses inches and pounds.
Enter height and weight
Measure without shoes for the best result.
Read your category
The gauge shows where you sit on the BMI scale.
Questions
Frequently asked questions
Is BMI accurate?
BMI is a quick screening tool. It does not measure body fat directly, so very muscular people can show as overweight.
Is BMI the same for men and women?
Yes, adult BMI uses the same ranges for both. Children use age-based percentiles instead.
What should I do if my BMI is high?
Talk to a doctor. They can look at waist size, blood pressure and other health measures.