How to interpret this estimate

Estimate a simple daily water range based on body weight. Uses a broad range of 30 to 35 milliliters per kilogram of body weight.

When this result is useful

Use it as a basic starting range when estimating daily fluid intake from body weight.

Common limitations

Climate, exercise, pregnancy, breastfeeding, diet, medication, and medical conditions can change fluid needs. People with heart, kidney, or fluid-balance conditions should follow professional guidance.

This calculator uses the selected inputs and the fixed formula behind the tool to produce an estimate. Review the units, assumptions, and result labels before using the output for planning.

Health results are screening or planning estimates only. They do not diagnose health status or replace advice from doctors, dietitians, or qualified healthcare professionals.

Read the medical disclaimer for more context.