Hydration for 120 lbs: Daily Water Intake Calculator & Guide

Calculate optimal daily water intake for 120 pounds body weight. Get personalized hydration goals, timing strategies, and health benefits.

Your Daily Water Goal

Baseline daily intake for 120 lbs: approximately 60 ounces (1.8 litres) — about 4 standard water bottles per day.

Adjust for Your Lifestyle

• Light activity: Add 10–15% (~68 oz)
• Moderate exercise: Add 20–30% (~75 oz)
• Intense training: Add 40–50% (~87 oz)
• Hot or humid climate: Add 15–25% (~72 oz)

Use our Hydration Calculator for a personalised estimate. Related: Hydration Myths vs Facts