A water intake helps you calculate water intake values accurately and instantly.
Find out how much water you should drink daily based on your weight and activity level.
Base: 35 ml per kg body weight
Activity multiplier: Sedentary=1.0, Moderate=1.2, Active=1.4, Very Active=1.6
Hot climate: +20%
General hydration guidelines recommend adjusting water intake based on body weight, exercise, and environmental factors.
The Daily Water Intake Calculator uses standard formulas to calculate your results. Enter your values in the input fields and click Calculate to see instant results.
Yes, the Daily Water Intake Calculator on CalcMaster is completely free to use with no signup required. Your data stays in your browser and is never sent to any server.
The Daily Water Intake Calculator uses verified formulas and provides accurate estimates for informational purposes. Results are calculated instantly in your browser.