Free Water Intake Calculator

Calculate your daily water intake needs based on your weight, activity level, and climate. Get personalized hydration recommendations to optimize your health and performance.

✓ Personalized recommendations

✓ Activity & climate adjusted

✓ Daily timeline included

✓ 150,000+ calculations

Sample Result

See what you'll get instantly

2.8L

Daily Water Intake

Scroll down to calculate your water needs

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Calculate Your Daily Water Intake

Weight (kg)

Activity Level

Climate

Altitude (optional)

Your Hydration Plan

Personalized recommendations based on scientific guidelines

Total Daily Water

Including all fluids

Plain Water

Pure H₂O intake

Glasses (250ml)

Standard glasses

Bottles (500ml)

Water bottles

Suggested Hydration Timeline

Hydration Tips

Start your day with a glass of water to kickstart hydration
Keep a water bottle with you as a visual reminder to drink
Eat water-rich foods like fruits and vegetables (they count!)
Monitor your urine color - pale yellow indicates good hydration
Increase intake during exercise, illness, or hot weather
Don't wait until you're thirsty - thirst is a late indicator
Flavor water with lemon, cucumber, or mint if plain water is boring
Set reminders on your phone to drink water regularly

Ready to Track Your Hydration?

Get the Optimitz app to track your daily water intake, set hydration reminders, and optimize your wellness routine.

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Free Water Intake Calculator

Sample Result

Calculate Your Daily Water Intake

Your Hydration Plan

Suggested Hydration Timeline

Hydration Tips

Ready to Track Your Hydration?

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