BMI计算器：你的健康“身价”几何？别让体重透支你的钱包
年薪15万也扛不住因病返贫，用BMI计算器守住300万房产和养老钱。
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计算您的身体质量指数（BMI），并了解您的体重类别。
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身体质量指数计算器
计算您的身体质量指数（BMI），并了解您的体重类别。
输入
输入计算所需的值
📚What is BMI?
Body Mass Index (BMI) is a measure of body fat based on height and weight. It's calculated as: weight (kg) ÷ height² (m²)
<18.5 Underweight
18.5-24.9 Normal
25-29.9 Overweight
≥30 Obese
结果
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在下面输入值进行计算
什么是BMI（身体质量指数）？
身体质量指数（BMI）是根据身高和体重衡量体脂的指标。适用于成年男性和女性。BMI计算公式为：体重（公斤）÷ 身高²（米²）。健康BMI范围通常在18.5至24.9之间。
如何使用
选择您的计量单位（英制或公制），输入您的体重（磅或公斤）和身高（英寸或厘米）。计算器将立即显示您的BMI分数、体重类别以及您身高的健康体重范围。
常见问题
What is BMI?
BMI stands for Body Mass Index. It is a numerical value of your weight in relation to your height, used to screen for weight categories that may lead to health problems.
How is BMI calculated?
For the metric system, the formula is weight (kg) divided by height in meters squared (m²). For the imperial system, it is weight (lbs) multiplied by 703, divided by height in inches squared (in²).
What are the BMI categories?
Standard categories are: Underweight (BMI less than 18.5), Normal weight (BMI 18.5–24.9), Overweight (BMI 25–29.9), and Obesity (BMI 30 or greater).
Is BMI an accurate measure of body fat?
While BMI is a useful general screening tool, it does not directly measure body fat. It may misclassify athletes with high muscle mass as overweight or fail to identify excess body fat in older individuals.
Can I use this calculator for children?
This calculator is generally designed for adults (age 18+). For children and teens, BMI is age- and sex-specific and is often referred to as BMI-for-age.
How often should I check my BMI?
You can check your BMI periodically, such as during annual health check-ups. However, it is more important to monitor overall health indicators and how you feel physically rather than focusing solely on the number.
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