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Daily Water Intake Calculator

Fill out the information below to get your personalized hydration recommendation

💡

Why Your Hydration Matters

73% of your brain is water
2% dehydration impairs performance
50% of people drink too little

Learn more about hydration benefits below ↓

⚖️ What's your weight?

Your weight helps determine your base hydration needs

🎂 What's your age?

Age affects your hydration requirements

👤 Gender identity

Biological differences affect hydration needs

🚹
Male
Identify as male
🚺
Female
Identify as female
👤
Other
Prefer not to specify

🏃 Activity level

How often do you exercise or engage in physical activity?

🛌
Rarely
Less than once per week
🚶
1-2 times/week
Light activity
🏋️
3-5 times/week
Moderate activity
🚴
Daily
Very active

🌡️ Climate conditions

Temperature affects your hydration needs

❄️
Cool/Cold
Below 70°F (21°C)
Moderate
70-85°F (21-29°C)
☀️
Hot/Humid
Above 85°F (29°C)

🏥 Health considerations

Select any relevant health conditions (optional)

💉
Diabetes
Type 1 or Type 2
💓
Hypertension
High blood pressure
🫁
Prostate Issues
Enlarged prostate or BPH
None
No relevant conditions
💧

Your Results Will Appear Here

Fill out the form on the left to see your personalized daily water intake recommendation

💧 Track Your Daily Hydration

Get your calculation, then track your actual intake with our free app

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🌟 Proper Hydration Benefits

🧠 Enhanced cognitive function & focus
💪 Improved physical performance
Healthier, more radiant skin
🏃 Better weight management

Discover all the benefits below

Track Your Daily Hydration with SleepFlō

Monitor your water intake and bathroom visits with our free app

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Why Daily Water Intake Matters

Understanding your optimal hydration needs is crucial for maintaining peak physical and mental performance. Proper hydration affects every cell, tissue, and organ in your body.

🧠 Enhanced Brain Function

Your brain is approximately 73% water. Even mild dehydration can impair cognitive performance, affecting memory, focus, and mental clarity. Proper hydration supports optimal brain function and mood regulation.

💪 Physical Performance

Adequate hydration is essential for maintaining physical performance. Dehydration as little as 2% of body weight can significantly reduce endurance, strength, and motivation for physical activity.

Healthy Skin

Proper hydration improves skin elasticity, promotes natural oil production, and helps maintain a clear, bright complexion. Well-hydrated skin appears more youthful and resilient.

🫀 Heart Health

Adequate hydration helps maintain healthy blood pressure and supports cardiovascular function. Water intake affects heart rate and can help prevent cardiovascular stress.

🦴 Joint Health

Water helps lubricate joints and maintain the health of spinal discs. Proper hydration supports joint flexibility and can reduce discomfort from physical activity.

🏃 Weight Management

Drinking water before meals can promote satiety and support weight management efforts. Proper hydration also supports metabolism and energy expenditure.

💡 Did You Know?

60-70%
of your body weight is water
50%
of Americans don't drink enough water daily
2%
body water loss can impair cognitive performance

Factors That Affect Your Water Needs

🌡️ Climate & Environment

Hot, humid, or heated indoor environments increase water loss through sweating and respiration. Cold climates may also increase fluid needs due to increased energy requirements.

🏃 Physical Activity

Exercise increases fluid losses through sweat. Add 12 ounces of water for every 30 minutes of physical activity to compensate for these losses.

🤱 Pregnancy & Breastfeeding

Pregnant women need additional fluids to support increased blood volume and fetal development. Breastfeeding mothers require even more to support milk production.

🏥 Health Conditions

Certain medical conditions like diabetes, hypertension, or kidney issues may affect hydration needs. Always consult healthcare professionals for personalized advice.

Track Your Hydration Journey with SleepFlō

Our calculator gives you the starting point, but daily tracking helps you optimize your hydration for better health and sleep quality.

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