Water Intake by Weight Calculator
Last updated: 2026-08-24
Water Intake by Weight Calculator — Calculate daily water intake based on weight.
Inputs
Result
Enter values and press Calculate
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How to use it
- The calculador apply the formula automatically and muestra results
Common mistakes
- ⚠️ Not verifying that weight are in correct units before Calculate
- ⚠️ Redondear values intermediums before of the calculation final (pierde precision)
- ⚠️ Apply results without Consider contexto individual or condition is special
Worked example
Calculate water for 75kg person.
The water base is 33ml/kg; the actividad add ~0.4ml/minute of ejercicio moderado.
Formula
Daily Water (L) = Body Weight (kg) × 0.033 × Activity Level × (1 + (Exercise Minutes / 60) × 0.5) × Climate Factor
Input guide
| Field | Typical range |
|---|---|
| activity | Actividad: 0-120 min |
| weight | Peso common: 45-120 kg |