BMI 计算器BMI Calculator
身体质量指数(BMI)计算Body Mass Index (BMI) calculator.
BMI 指数
22.5
正常
体重正常，保持健康饮食和运动
| 分类 | BMI 范围 |
|---|---|
| < 18.5 偏瘦 | 偏瘦 |
| 18.5 - 24 正常 | 正常 |
| 24 - 28 偏胖 | 偏胖 |
| > 28 肥胖 | 肥胖 |
关于 BMI 计算器About BMI Calculator
BMI（身体质量指数）是衡量体重与身高关系的常用指标。本工具输入身高体重即得 BMI 值，并对照世卫组织标准给出偏瘦/正常/超重/肥胖区间及对应健康体重范围，帮助你快速了解自身状况。BMI (Body Mass Index) is a common measure of weight relative to height. Enter your height and weight to get your BMI, mapped against WHO standards into underweight/normal/overweight/obese ranges with the corresponding healthy weight interval.
使用方法How to Use
- 输入身高（厘米）与体重（公斤）。Enter your height (cm) and weight (kg).
- 点击计算得到 BMI 值。Click calculate to get your BMI.
- 对照区间说明与健康体重建议评估自身状况。Compare against the range descriptions and healthy-weight suggestion.
常见问题FAQ
BMI 的计算公式是什么？What is the BMI formula?
BMI = 体重(kg) ÷ 身高(m)²。例如身高 1.7m、体重 65kg，BMI ≈ 22.5，处于正常区间。BMI = weight (kg) ÷ height (m)². For example, 1.7 m and 65 kg gives BMI ≈ 22.5, within the normal range.
正常范围是多少？What is the normal range?
世卫组织成人参考范围为 18.5–24.9；部分地区标准略有差异，页面会展示对应区间供对照。The WHO adult reference range is 18.5–24.9; regional standards vary slightly, and the page shows the corresponding intervals.
BMI 对所有人都准确吗？Is BMI accurate for everyone?
它是粗筛指标：肌肉量大的人群（健身者、运动员）与孕妇等不适用，建议结合体脂率、腰围等指标综合判断。It is a rough screening metric: muscular people (athletes, gym-goers) and pregnant women are misclassified; combine it with body-fat percentage, waist circumference and other measures.