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You are here: Pottery » Reference »  Shrinkage Calculator

Shrinkage Calculator
Utility to calculate sizing of pieces

19 October 2026 - 20:17 | Version 18 | | Reference | Reference
tip Use metric measurements (cm) as all results are rounded to closest one decimal(mm).

See also Interactive Clay Estimating Tool for a more sophisticated implementation.
Calculate:

Clay Shrink Rate:
Input Width:

Input Height:

Calculate

Saved Shrinkage Guides

Title Shrinkage Target Width Initial Width Target Height Initial Height
Carlos' Large mug 11% 8.5 10 10 11
Dinner Plate 11% 27 30 3 3
Dinner bowl 11% 18.5 21 4.5 5
Limon Squeezer 11% 13 15 7 8
Dessert bowl blk&blue 11% 12 13 5 6
Dish cover 11% 18 20 20.5 23

Clay Shrinkage Specs

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