Daily Water Intake Calculator
Estimate daily water intake from your measurements.
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What this tool does
Estimate daily water intake from your measurements. Total includes food and beverages. Health conditions and exercise may alter needs; not a fluid-restriction prescription.
How to use the Daily Water Intake Calculator
- Enter or select body weight in lb.
- Enter or select water heuristic (ml/kg/day).
- Read the calculated result; change any measurement to compare alternatives.
Formula
daily mL=weight kg×entered rate
- weight
- Body weight (lb, before metric conversion)
- rate
- Water heuristic (mL/kg/day)
Total includes food and beverages. Health conditions and exercise may alter needs; not a fluid-restriction prescription.
Worked example
For daily water intake calculator, the following measurements illustrate the exact method: Body weight: 150; Water heuristic (mL/kg/day): 30.
Inputs
- Body weight150 lb
- Water heuristic (mL/kg/day)30
Result
- Approximate total daily water (mL)2,041.17
Results explained
- Approximate total daily water (mL)
- Approximate total daily water (mL) from the formula above. Total includes food and beverages. Health conditions and exercise may alter needs; not a fluid-restriction prescription.
Frequently asked questions
daily mL=weight kg×entered rate
Total includes food and beverages. Health conditions and exercise may alter needs; not a fluid-restriction prescription.
No. These are general-information estimates, not diagnosis, treatment, fertility advice or exercise clearance. Consult a qualified health professional.
Individual physiology, measurement technique and health conditions may cause large differences from model estimates.
No. BAC estimates never establish that driving is safe or legal; do not drive after drinking.