Clay Shrinkage Calculator

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Everyday Life Updated 30 Jun 2026

Clay Shrinkage Calculator is a everyday life calculator that helps you calculate the total shrinkage percentage of clay from its wet and finished sizes. The formula used is: Shrinkage % = (Wet length − Fired length) ÷ Wet length × 100. Measure a test bar when wet and again after drying and firing, in the same unit.

Formula

Shrinkage % = (Wet length − Fired length) ÷ Wet length × 100
  • Formula: Shrinkage % = (Wet length − Fired length) ÷ Wet length × 100
  • Measure a test bar when wet and again after drying and firing, in the same unit.

Example Calculation

Enter your values and the calculator applies the formula (Shrinkage % = (Wet length − Fired length) ÷ Wet length × 100) and shows the results below. Change any input to update the result instantly.

Frequently asked questions

What is the Clay Shrinkage?
The Clay Shrinkage Calculator helps you calculate the total shrinkage percentage of clay from its wet and finished sizes. Measure a test bar when wet and again after drying and firing, in the same unit.
When should I use this calculator?
Use this calculator whenever you need a quick, accurate result for calculate the total shrinkage percentage of clay from its wet and finished sizes.
What should I enter?
Measure a test bar when wet and again after drying and firing, in the same unit.
How accurate are the results?
Results are estimates based on the stated formula and assumptions. Verify against your own figures or an authoritative source before acting on them.
How can I verify the calculation manually?
Apply the formula (Shrinkage % = (Wet length − Fired length) ÷ Wet length × 100) and work through the numbers step by step. If your result differs, re-check units and rounding first.