❤️ 健康健身Health & Fitness
BMI 计算器BMI Calculator
在线计算身体质量指数 BMI，按中国标准和 WHO 标准判断偏瘦、正常、超重或肥胖。Calculate Body Mass Index and see your weight category.
基础代谢率 BMR 计算器BMR Calculator
用 Mifflin-St Jeor 公式计算基础代谢率（每天静息消耗的热量）。Calculate your basal metabolic rate with the Mifflin-St Jeor equation.
每日热量需求 TDEE 计算器Calorie Calculator (TDEE)
根据年龄、身高、体重和活动量计算每日总热量消耗 TDEE，以及减脂/增肌热量建议。Calculate daily calorie needs (TDEE) and targets for weight loss or gain.
体脂率计算器Body Fat Calculator
用美国海军公式通过身高、腰围、颈围（女性加臀围）估算体脂率。Estimate body fat % with the U.S. Navy method (height, waist, neck, hip).
理想体重计算器Ideal Weight Calculator
根据身高和性别，用多种公式（Devine、Robinson、Miller）和健康 BMI 范围计算理想体重。Ideal body weight by height and sex using Devine, Robinson, Miller formulas and healthy BMI range.
每日饮水量计算器Water Intake Calculator
根据体重和运动时间计算每天应该喝多少水。How much water should you drink per day, based on weight and exercise.
预产期计算器Pregnancy Due Date Calculator
根据末次月经日期计算预产期、当前孕周和重要产检时间。Calculate your due date and current pregnancy week from the last menstrual period.
排卵期计算器Ovulation Calculator
根据月经周期计算排卵日、易孕期和未来几个月的预测。Predict ovulation day and fertile window for the next cycles.
心率区间计算器Heart Rate Zone Calculator
用 Karvonen 公式根据年龄和静息心率计算最大心率和 5 个训练心率区间。Calculate max heart rate and 5 training zones (Karvonen method).
腰臀比计算器Waist-to-Hip Ratio Calculator
计算腰臀比（WHR），按 WHO 标准评估健康风险。Calculate waist-to-hip ratio and health risk per WHO guidelines.
睡眠周期计算器Sleep Calculator
按 90 分钟睡眠周期计算最佳入睡或起床时间，醒来不困。Find the best time to sleep or wake up based on 90-minute sleep cycles.
跑步配速计算器Running Pace Calculator
根据距离和用时计算跑步配速（分钟/公里）、速度，并预测 5K、10K、半马、全马成绩。Calculate running pace (min/km), speed and predict 5K/10K/half/marathon times.
蛋白质摄入量计算器Protein Intake Calculator
根据体重和目标（久坐、健身、增肌、减脂）计算每天需要的蛋白质克数。Daily protein needs by body weight and goal (sedentary, fitness, muscle gain, fat loss).
运动消耗热量计算器Calories Burned Calculator
根据运动类型（MET 值）、体重和时长计算运动消耗的卡路里。Estimate calories burned by activity (MET), body weight and duration.
瘦体重计算器Lean Body Mass Calculator
用 Boer、James、Hume 公式估算瘦体重（去脂体重）和体脂比例。Estimate lean body mass with the Boer, James and Hume formulas.
体表面积计算器Body Surface Area (BSA) Calculator
用 Mosteller、DuBois、Haycock 公式计算体表面积（m²），常用于药物剂量计算。Body surface area (m²) by Mosteller, DuBois and Haycock — used for drug dosing.
1RM 最大重量计算器One Rep Max (1RM) Calculator
根据训练重量和次数估算单次最大重量（1RM），并给出各百分比训练重量表。Estimate your one-rep max from weight × reps (Epley, Brzycki, Lombardi) with a percentage table.
三大营养素计算器Macro Calculator
根据每日热量和饮食类型计算蛋白质、碳水化合物、脂肪的克数。Daily protein, carb and fat grams from your calorie target and diet style.
血液酒精浓度计算器Blood Alcohol (BAC) Calculator
用 Widmark 公式估算血液酒精浓度（BAC）和大约多久可以代谢完毕。仅供参考，酒后切勿驾车。Estimate blood alcohol concentration with the Widmark formula and time until sober. Never drink and drive.
步数换算公里计算器Steps to Distance Calculator
根据身高估算步幅，把步数换算为公里/英里，并估算消耗热量。Convert steps to kilometers/miles using a height-based stride length, with estimated calories.
最大摄氧量计算器（Cooper 测试）VO2 Max Calculator (Cooper Test)
根据 12 分钟跑距离（Cooper 测试）估算最大摄氧量 VO2max。Estimate VO2 max from the distance covered in a 12-minute run (Cooper test).
孩子身高预测Child Adult Height Predictor
根据父母身高用遗传身高公式（中位亲代身高法）预测孩子成年身高范围。Predict a child's adult height range from parents' heights (mid-parental method).
血压水平判断Blood Pressure Category Checker
输入收缩压/舒张压，按 AHA 2017 和中国高血压指南判断血压分级。Classify your blood pressure by the AHA 2017 guideline and the Chinese hypertension guideline.
腰高比计算器Waist-to-Height Ratio Calculator
计算腰围身高比（WHtR），评估腹部肥胖风险，0.5 为常用健康界线。Waist-to-height ratio (WHtR) for central obesity risk; 0.5 is the common cut-off.
跑步成绩预测Race Time Predictor
用 Riegel 公式根据已知比赛成绩预测其他距离（5K、10K、半马、全马）的完赛时间。Predict 5K, 10K, half and full marathon times from a known result using Riegel's formula.
吸烟花费计算器（戒烟省钱）Smoking Cost Calculator
计算吸烟每月、每年和多年来的花费，以及戒烟后能省下的钱。How much smoking costs per month, year and over the years — and what quitting saves.
孕期体重增长计算器Pregnancy Weight Gain Calculator
根据孕前 BMI 和 IOM 指南计算孕期建议增重范围及当前孕周的参考增重。Recommended pregnancy weight gain by pre-pregnancy BMI (IOM guidelines), with the target for your week.
FFMI 去脂体重指数FFMI Calculator (Fat-Free Mass Index)
根据身高、体重和体脂率计算去脂体重指数 FFMI 和标准化 FFMI，评估肌肉量。Fat-free mass index (FFMI) and normalized FFMI from height, weight and body fat %.