Free Hydration Calculator

Daily Water Intake

Optimize your hydration with our science-backed calculator. Tailored to your body weight, activity level, and environment.

Your Personal Stats

Adjust the sliders to match your lifestyle.

Body Weight

70 kg

30kg150kg

Activity Level

Climate

Recommended Intake

0Litres

Glasses

Millilitres

For medical conditions, consult your healthcare provider.

HYDRATION WISDOM

Simple habits for better health

Small changes in your daily routine can make a big difference in your hydration levels.

Morning Boost

Start your day with a glass of water to kickstart your metabolism.

Set Reminders

Set hourly reminders on your phone to drink water throughout the day.

Keep it Close

Keep a reusable water bottle with you at all times for easy access.

Pre-Meal Habit

Drink a glass of water before each meal to aid digestion.

Eat Your Water

Eat water-rich foods like cucumbers, watermelon, and oranges.

Balance Caffeine

For every cup of coffee, drink an extra glass of water.

Workout Fuel

Drink water before, during, and after exercise to maintain hydration.

Heat Wave

In hot weather, increase your water intake by 500ml-1L.

Sleep Smart

Avoid large amounts right before bed to prevent sleep disruption.

Flavor It

Add natural flavor with lemon, cucumber, or mint if plain water is boring.

Check Color

Monitor your urine color - pale yellow indicates good hydration.

Tech Help

Use apps or smart bottles that track and remind you to drink water.

Hunger or Thirst?

Drink water when hungry - thirst is often mistaken for hunger.

Temp Matters

Room temperature water is often absorbed faster than cold water.

Summer Rules

Increase intake during summer months or in air-conditioned rooms.