OhMyCalc

Water Intake Calculator

Calculate recommended daily water intake.

How to Use the Water Intake Calculator

  1. Enter your body weight in kilograms.
  2. Click Calculate to get your recommended daily water intake.
  3. Review the suggested intake in liters and glasses per day.
  4. Use the result as a daily hydration target.

Quick Reference

FromTo
Height (adult M)170–180 cm
Height (adult F)160–170 cm
Weight (adult M)65–85 kg
Weight (adult F)55–70 kg
Resting heart rate60–100 bpm
Normal BP120/80 mmHg

Use Cases

Formula

Calculate recommended daily water intake.

Frequently Asked Questions

How to use?
Enter your body weight in kilograms and click Calculate to see how much water you should drink each day.
Calculation accuracy?
Calculations are performed with high precision.
Is it free?
Yes, all calculators are completely free.