BMI Calculator — Free Body Mass Index Calculator (Metric & I

Calculate your BMI instantly with metric or imperial units. See your weight category, healthy range, and visual scale — all in your browser. This free online BMI calculator runs entirely in your browser — no data is ever uploaded to a server.

How to Use

1. Enter your input — type or paste your height and weight.

2. See live results — the tool updates instantly as you type.

3. Copy or download — copy the output to clipboard or download it.

4. History — your recent inputs are saved locally and can be pinned for quick access.

Example

Choose Metric, enter height 175 (cm) and weight 70 (kg). The tool returns BMI 22.9 (rounded 22.9) and labels it "Normal" on the color scale.

Also check out the live tool at freeq.one/tools/bmi — part of the FreeQ.One suite of free online tools.