Water Intake Calculator

Estimate a simple daily water target from body weight.

How to use the Water Intake Calculator

Enter body weight. This calculator uses a simple rule-of-thumb estimate and converts the result to fluid ounces and liters.

About this calculator

Estimate a simple daily water target from body weight. CalcKitt keeps the inputs blank until you enter your own values, and results are calculated in your browser.

Hydration needs vary with climate, activity, health, pregnancy, diet, and other factors.