Daily Water Intake Calculator

Estimate your daily water intake based on body weight, activity duration, and climate.

How To Calculate: Daily Water Intake Calculator

Daily Water Intake Calculator is calculated by using the required inputs and applying the formula below. Use consistent units for reliable results.

Formula:

Daily water (ml) = (weight(kg) x 35) + (activity minutes x 12) + climate adjustment

Worked Example:

Example: 70 kg, 30 active minutes, hot weather => 3290 ml/day.

Results are mathematically consistent with entered values. Input quality and unit consistency directly affect accuracy.

Decimals are supported in most tools. Negative values are accepted only when they are mathematically meaningful for that calculator.

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