Hydration for 140 lbs: Daily Water Intake Calculator & Guide

Calculate optimal daily water intake for 140 pounds body weight. Get personalized hydration goals, timing strategies, and health benefits.

Your Daily Water Goal

Baseline daily intake for 140 lbs: approximately 70 ounces (2.1 litres) — about 5 standard water bottles per day.

Adjust for Your Lifestyle

• Light activity: Add 10–15% (~79 oz)
• Moderate exercise: Add 20–30% (~88 oz)
• Intense training: Add 40–50% (~102 oz)
• Hot or humid climate: Add 15–25% (~84 oz)

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