Free Water Intake Calculator
Calculate how much water you should drink daily based on your body weight.
lbs
Water (ounces/day)
85 oz
Water (cups/day)10.6 cups
Water (liters/day)2.51 L
Water (ounces/day) vs Body Weight
Water Intake Rule of Thumb
Ounces per day = Body Weight (lbs) / 2
This is a general guideline. Actual needs vary based on activity, climate, and health conditions.
Conversions
Example Calculation
A person weighing 170 lbs.
- 01Water = 170 / 2 = 85 oz per day
- 02In cups = 85 / 8 = 10.6 cups
- 03In liters = 85 x 0.0296 = 2.51 liters
Frequently Asked Questions
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