Free Hydration Calculator

Daily Water Intake
Calculator

Find out exactly how much water you should drink every day based on your body weight, activity level, and climate.

How the Water Calculator Works

Get your personalized hydration target in seconds

1

Enter Your Weight

Input your body weight in kg or lbs. Heavier bodies need more water to stay hydrated.

2

Select Activity & Climate

Exercise and hot weather significantly increase your water needs. We factor both in.

3

Get Your Target

Receive your daily water goal in liters, glasses, and fluid ounces.

Why Hydration Matters

Water is the foundation of every body function

Personalized to You

Unlike generic '8 glasses a day' advice, our calculator factors in your unique body weight and lifestyle.

Activity-Adjusted

Exercise increases sweat loss. We add extra water for active and very active lifestyles automatically.

Climate-Aware

Hot climates increase fluid loss through sweat. Cold climates reduce it. We account for where you live.

Track in the App

Log your daily water intake alongside meals in the brocali app for a complete health picture.

Paired with AI Tracking

Combine hydration goals with brocali's calorie tracking for a complete nutrition and wellness plan.

Free & Instant

No sign-up needed. Get your personalized water intake target instantly, for free.

Track Your Calories with AI Precision

Download Brocali for free and start tracking your meals instantly. Available on iOS and Android.

Frequently Asked Questions

Common questions about daily water intake