Ceramic total shrinkage stages calculator

Calculate drying shrinkage and firing shrinkage relative to dry with your own figures.

Your numbers

Use the units shown. Results update as you change valid inputs.

Use drying shrinkage and firing shrinkage relative to dry to compare changes to your inputs. The method and limits below explain the scope.

Examples

Examples

Try the starting example

Wet reference length (mm)
100
Dry length (mm)
95
Fired length (mm)
88
Drying shrinkage (%)
5
Firing shrinkage relative to dry (%)
7.368421
Total wet-to-fired shrinkage (%)
12

Try another scenario

Wet reference length (mm)
100
Dry length (mm)
95
Fired length (mm)
85
Drying shrinkage (%)
5
Firing shrinkage relative to dry (%)
10.526316
Total wet-to-fired shrinkage (%)
15
Calculation method

Calculation method

Drying shrinkage (%)

100(wet−dry)/wet.

Firing shrinkage relative to dry (%)

100(dry−fired)/dry.

Total wet-to-fired shrinkage (%)

100(wet−fired)/wet; stage percentages do not add directly.

Symbols and units
a
Wet reference length (mm)
b
Dry length (mm)
c
Fired length (mm)

Use the units shown. A list keeps the order in which you enter its values. The symbol ^ means “raised to the power of”.

Assumptions & limits

Assumptions & limits

  • Wet, dry and fired measurements. Returns Stage and total shrinkage. All coefficients and observations are user supplied; results describe only the stated mathematical model. Quantities are deterministic calculations from supplied observations and assumptions; no external data is fetched. Supported limits: Finite inputs only; numeric fields bounded as labelled. Lists and JSON records are limited to 256 entries unless a stricter tool bound is stated. No automatic design approval, legal conclusion, treatment recommendation or safety certification. Wet reference length (mm): minimum 1e-12, maximum 1000000000000.0. Dry length (mm): minimum 1e-12, maximum 1000000000000.0. Fired length (mm): minimum 1e-12, maximum 1000000000000.0.
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