My US Calculator

BMI Calculator

Calculate your Body Mass Index (BMI) and see which weight category it falls into.

BMI

25.1

Category
Overweight

Assumptions

How it's calculated

US units: BMI = 703 × weight (lb) / height (in)². Metric: BMI = weight (kg) / height (m)².

Worked example

A 160 lb person at 5'7" (67 in) has a BMI in the normal range, shown live above.

Frequently asked questions

Is BMI a perfect measure of health?

No — BMI is a widely used screening tool but doesn't directly measure body fat or account for muscle mass. Consult a healthcare provider for a full picture.