PlanetToolbox
Water Intake Calculator
Estimate daily total water, beverage water, cups, common bottle equivalents, and reference adequate intake values.
Total water
3.21 L
Beverages
87 oz
Cups
10.8 cups
16.9 oz bottles
5.1
Hydration inputs
Estimate daily water intake
Water intake summary
- Total water
- 3208 ml / 108 oz
- Beverage estimate
- 2566 ml / 87 oz
- Reference total water AI
- 3700 ml/day
- Common bottle equivalent
- 5.1 bottles
Assumptions
Total waterIncludes water from drinks and food; beverage estimate assumes roughly 80% from fluids.
Hydration noteNeeds can change with medications, medical conditions, heat, altitude, and sweat rate.
Water intake notes
This calculator provides a general hydration planning estimate. Fluid needs can change with heat, altitude, sweat rate, illness, pregnancy, lactation, medications, kidney or heart conditions, and clinician guidance.