Daily Water Intake Calculator
Enter your weight, activity level, and climate to instantly see your daily water target in mL and fl oz, plus a suggested hourly drinking schedule.
Your Details
Enter your weight and hit Calculate
Your daily hydration plan will appear here.
Recommended Daily Water Intake
—
mL per day
— fl oz
—
glasses
250 mL each
—
bottles
500 mL each
—
mL/hour
during waking hrs
Suggested Hourly Schedule
6 AM – 10 PMAdjust intake for medical conditions; consult a healthcare provider.
Copied!
Summary
Enter your weight, activity level, and climate to instantly see your daily water target in mL and fl oz, plus a suggested hourly drinking schedule.
How it works
- Enter your weight in kg or lb.
- Select your biological sex.
- Optionally enter your age.
- Choose how many minutes of exercise you do per day.
- Select your typical climate.
- Click Calculate to see your daily water target and hourly schedule.
Use cases
- Determine how much water to drink on a hot summer day.
- Adjust hydration goals on heavy workout days.
- Build a daily hydration routine with an hourly schedule.
- Compare water needs at different activity levels.
Frequently Asked Questions
Last updated: 2026-06-09 ·
Reviewed by Nham Vu