Water Intake Calculator
Get a daily water target based on your body weight and how active you are. A simple guide to staying hydrated.
📖 New to this? Read How Much Water Should You Drink a Day?.
How to use the Water Intake Calculator
- Enter your weight and exercise.
- Click Calculate.
- See your daily water target.
100% free, no sign-up, and it all runs in your browser — your data never leaves your device.
FAQ
Does coffee or tea count?
Yes, most fluids contribute to hydration, and water-rich foods help too. This is a general target, not a strict rule — drink to thirst as well.