BMI Calculator

Calculate your Body Mass Index (BMI) with metric or imperial units. See your BMI category and healthy weight range.

Enter your weight and height to see your BMI

BMI Categories

Underweight< 18.5
Healthy18.5 – 24.9
Overweight25 – 29.9
Obese≥ 30

All processing runs locally in your browser. Your weight and height will never be uploaded or stored on our server.
所有计算在浏览器本地执行,你的体重和身高永远不会上传或保存在我们服务器。

How To Use 使用方法

  1. 1

    Choose metric or imperial units.
    选择公制或英制单位。

  2. 2

    Enter your weight and height in the fields above.
    在上方输入你的体重和身高。

  3. 3

    Your BMI, category and healthy weight range appear instantly.
    系统会立即显示你的 BMI、所属类别以及健康体重范围。

Frequently Asked Questions 常见问题

Do you store my weight and height?
你们会保存我的体重和身高吗?

No. The BMI calculation runs entirely in your browser. The numbers you enter are never sent to or stored on our server.
不会。BMI 计算完全在你的浏览器本地进行,你输入的数值不会发送或保存在我们服务器。

Which unit systems are supported?
支持哪些单位制式?

Both metric (kilograms and centimeters) and imperial (pounds and inches) are supported, and you can switch between them at any time.
同时支持公制(千克、厘米)和英制(磅、英寸),你可以随时切换。

Is this BMI calculator free?
这个 BMI 计算器是免费的吗?

Yes, it is completely free and no account is required.
是的,完全免费,无需注册账号。

Other Tools 其他工具