basic

Percent Water of Hydration Calculator

% H₂O in a hydrated crystal from heating loss.

Compute the percent water of hydration in a hydrated crystal from the mass of the hydrate before and after heating off the bound water: % water = (mass_lost / mass_hydrate) · 100.

Dr. Helena Ortiz By Dr. Helena Ortiz
Published Last reviewed 1 min read

Inputs

g
g

Results

Enter values and click Calculate to see results.
Was this helpful?

How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

% water = (m_hydrate − m_anhydrous) / m_hydrate · 100

In depth

Compute the percent water of hydration in a hydrated crystal from the mass of the hydrate before and after heating off the bound water: % water = (mass_lost / mass_hydrate) · 100.