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BMI 计算器

根据身高和体重估算身体质量指数。

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Your BMI
22.9
Healthy weight

Within healthy range

BMI range

See exactly where you are

Your BMI is shown against the standard adult BMI categories.

Current category
Healthy weight
You
22.9
Under
< 18.5
Healthy
18.5 – 24.9
Over
25 – 29.9
Obesity
30+
1518.5253040+
Next category
Overweight
BMI threshold
25

You are 2.1 BMI points below the Overweight threshold.

At your height, the threshold corresponds to approximately 76.6 kg.

Healthy BMI
18.5 – 24.9

Common adult BMI range classified as healthy weight.

Approx. healthy weight
56.7 – 76.3 kg

Calculated from your height and the BMI range of 18.5–24.9.

Reference

BMI categories

Underweight
BMI below 18.5
Healthy weight
BMI 18.5 – 24.9
Overweight
BMI 25.0 – 29.9
Obesity
BMI 30.0 or higher

How is BMI calculated?

BMI, or Body Mass Index, is calculated using a person's weight and height. For metric measurements, weight in kilograms is divided by height in meters squared.

BMI = weight (kg) ÷ height² (m)

BMI is a screening measure rather than a diagnosis. It does not directly measure body fat and may not fully reflect health for every individual, including people with higher muscle mass.

Help

BMI Calculator FAQ

What does BMI mean?+

BMI stands for Body Mass Index. It is a screening measurement based on height and weight.

When does overweight become obesity?+

For adults, the commonly used BMI threshold for obesity begins at 30.0. The overweight category is generally 25.0 to 29.9.

Can I use pounds and inches?+

Yes. Select Imperial and enter your weight in pounds and height in inches.

Is BMI a medical diagnosis?+

No. BMI is a screening measure and should not be used by itself to diagnose a health condition.

Privacy: Your height and weight are processed directly in your browser. They are not uploaded to our server.

BMI 计算器

根据您的身高和体重即时计算身体质量指数（BMI）。免费且私密 — 计算直接在您的浏览器中进行，无需账户。

如何 计算您的 BMI

  1. 输入您的身高. 在输入框中输入您的身高。
  2. 输入您的体重. 在输入框中输入您的体重。
  3. 读取您的结果. 即时查看您的 BMI 值和体重分类。

BMI 计算器常见问题

BMI 是什么意思？

BMI 代表身体质量指数。它是基于身高和体重的筛查测量。

超重什么时候变成肥胖？

对于成人，常用的肥胖 BMI 阈值从 30.0 开始。超重分类通常为 25.0 至 29.9。

我可以使用磅和英寸吗？

可以。选择英制，然后输入以磅为单位的体重和以英寸为单位的身高。

BMI 是医学诊断吗？

不是。BMI 是一种筛查指标，不应单独用于诊断健康状况。

什么是健康的 BMI？

对于大多数成人，18.5 至 24.9 之间的 BMI 通常被认为是健康范围。

BMI 对所有人都准确吗？

BMI 是一种筛查估算。它可能不适用于运动员、孕妇、儿童或老年人。

我的数据会被上传吗？

不会 — 计算完全在您的浏览器中进行。

BMI 计算器免费吗？

是的，完全免费，无需注册。