Water Intake Calculator
Find out how much water you should drink daily based on your weight, activity level, and environment.
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lbs
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💡 Staying hydrated improves energy, focus, and overall health.
How to use
- Enter your weight (kg or lbs – the tool syncs both).
- Select your activity level and daily exercise minutes.
- Choose the climate (normal, warm, hot).
- Click Calculate – your recommended daily water intake appears in liters & milliliters (also ounces).
- Extra water needed for exercise and heat is added automatically.
- Copy the result or reset to default values.
🔒 100% client‑side – your data never leaves your browser.