Health Calculators

Daily Water by Body Weight Calculator

Calculate daily water by body weight with clear inputs, formulas, and supporting results.

Free browser-based tool • No signup required
Daily Water by Body Weight

Daily Water by Body Weight Calculator

Estimated daily water target
Estimated daily water target
Results are estimates for informational purposes. Verify critical calculations and project requirements independently.

Calculator Inputs and Outputs

Inputs

  • Body weight (kg) — example: 70
  • Water target per kilogram (mL/kg) — example: 35

Results

  • Estimated daily water target (mL)
  • Estimated daily water target (L)

Formula used

Water target = body weight × selected milliliters per kilogram.

How to Use the Daily Water by Body Weight Calculator

  1. Enter each requested input using consistent units.
  2. Select Calculate Daily Water by Body Weight.
  3. Review the primary answer and supporting results.

Inputs

  • Body weight: enter a value in kg.
  • Water target per kilogram: enter a value in mL/kg.

Formula

Water target = body weight × selected milliliters per kilogram.

Results

  • Estimated daily water target in mL.
  • Estimated daily water target in L.

Accuracy and Limits

Use measured inputs and keep units consistent. Results are estimates and should be independently checked before financial, medical, construction, scientific, legal, or safety-critical decisions.

Calculation Standards

This tool uses documented formulas and high-precision internal values. Displayed results may be rounded for readability. Review the assumptions and verify important decisions with a qualified professional.

Read our calculation methodology