Water Intake Calculator

Calculate your daily water intake needs

Your Weight

Unit

Optional: For More Accurate Results

Age (years)

Gender

Age and gender help personalize your hydration needs

Activity Level

Climate

Your Daily Water Intake

Liters

Milliliters

Glasses (250ml)

Fl Ounces (US)

Base Formula: Weight (kg) × 35ml per kg

Activity Adjustment: Multiplied by activity factor (1.0x to 1.4x)

Climate Adjustment: Multiplied by climate factor (0.9x to 1.15x)

Your Calculation:

Hydration Tips

Suggested Hydration Schedule

This is a suggested distribution. Adjust based on your routine and thirst.

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How to Use

Step-by-step guide 3 steps

1 Input Weight: Enter your current body weight in pounds or kilograms.
2 Input Activity: Select your daily activity level (e.g., Sedentary, Moderate, Heavy Exercise).
3 Get Water Goal: Click "Calculate Intake" to instantly receive your recommended daily water intake in ounces or liters. Calculate your water intake now!

FAQ

Common questions 3 questions

Is the daily water goal exact?

The tool provides a general recommendation; actual needs vary based on climate, diet, and health.

How does exercise affect the goal?

Heavier exercise leads to a higher recommended intake to replace fluids lost through sweat.

Is this calculator based on the 8x8 rule?

No, the Water Intake Calculator uses a scientific formula based on body weight and activity, which is generally more personalized.

Use Cases & Examples

Real-world applications 3 examples

Fitness Tracking

Set a clear daily water goal for improved athletic performance and recovery.

Health Monitoring

Use the tool to establish a personalized hydration schedule for better energy levels.

Weight Management

Ensure proper hydration, which is a key factor in any successful weight loss plan.