BMI calculator
Enter your numbers — the results update instantly.
Body mass index (BMI)22.86
Healthy weight: from56.66 kg
Healthy weight: up to76.26 kg
Formula
BMI = kg / m²
Worked example
Given: Weight = 70 kg; Height = 175 cm
Result: Body mass index (BMI) = 22.86; Healthy weight: from = 56.66 kg; Healthy weight: up to = 76.26 kg
How it is calculated
1. Enter the values you know. 2. The calculator converts them to base units and applies the formula. 3. The result is shown in the unit you choose.
Frequently asked questions
How do I calculate it?
Formula: BMI = kg / m². Given: Weight = 70 kg; Height = 175 cm. Result: Body mass index (BMI) = 22.86; Healthy weight: from = 56.66 kg; Healthy weight: up to = 76.26 kg.
Is the calculator free and private?
Yes. It is free, needs no sign-up and runs in your browser — the numbers you type stay on your device.