免费工具
水分摄入计算器
精确了解每天身体需要多少水。根据体重、活动水平和居住气候个性化。
饮水量计算器
活动水平
气候
2.6 L
/天 11 杯 (250ml)
明细
基础量（体重 × 0.033） 2.31 L
活动量调整 +0.3 L
气候调整 +0 L
公式：基础量 = 体重(kg) × 0.033 L — 根据活动和气候调整
每日水分摄入量是指身体维持正常水化所需的总液体量。
如何使用此计算器
1
输入体重（千克）。
2
选择活动水平。
3
选择气候 — 炎热或潮湿环境会显著增加水分需求。
4
每日水分目标即时更新，以升和杯数（每杯250ml）显示。
每日水分需求量的计算方法
The base formula is simple: weight in kg × 0.033 liters. This gives a baseline for a sedentary person in a temperate climate. Physical activity and heat increase sweat losses, which must be replaced on top of the baseline.
Water needs are highly individual. Body size, fitness level, sweat rate, altitude, and individual metabolism all affect how much you actually need. This calculator gives a practical daily target — not a clinical prescription.
Activity Adjustments
Physical activity increases water needs through sweat. Adjustments used in this calculator:
Sedentary (desk job, little movement): +0 L — base formula only.
Moderate (light exercise 1–3 times per week): +0.3 L per day.
Active (moderate exercise 4–5 times per week): +0.6 L per day.
Very Active (intense exercise every day): +1.0 L per day. Athletes training twice daily or in extreme conditions may need even more.
Climate Adjustments
Hot or humid environments increase sweat rate significantly, even at rest. Living or working in a warm climate adds approximately +0.5 L per day to your baseline needs. This adjustment is conservative — during extreme heat or prolonged outdoor activity in summer, additional intake is often needed.
Signs of Dehydration vs Overhydration
Mild dehydration (1–2% body weight loss in fluid) causes fatigue, reduced concentration, and headaches. Dark yellow urine is a reliable early indicator. More severe dehydration affects physical and cognitive performance significantly.
Overhydration (hyponatremia) is rare but possible in endurance athletes who drink excessive amounts of plain water without sodium. For most people, following calculated targets and monitoring urine color is sufficient.
健身教练的水分摄入计算器
Proper hydration is one of the most overlooked factors in client performance and recovery. As a personal trainer, checking in on hydration habits is a simple but high-value part of your coaching. Even mild dehydration (1–2%) measurably reduces strength, power output, and cognitive function during workouts.
With Gymkee, you can add hydration tracking reminders and nutrition guidelines to your client programs — keeping all your coaching in one place, accessible on mobile.
常见问题
每天8杯水的规则准确吗？
8杯规则是一个大致估算，不基于个体化科学。
咖啡和茶计入每日水分摄入吗？
是的。尽管咖啡因有利尿作用，适量摄入仍对水化有正面贡献。
运动时应该喝更多水吗？
是的。运动期间，每15–20分钟补充150–250ml。
如何判断是否喝了足够的水？
尿液颜色是最简单的指标。淡黄色表示水化良好。
需要喝更多水来减重吗？
充足的水化支持新陈代谢，但本身不是脂肪减少的直接因素。
计算器考虑食物中的水分吗？
不考虑。约20–30%的每日水分来自食物。
