Felting Shrinkage Percent
Calculator

Inputs

Final dimension after felting (cm)
28

Results

Final dimension after felting (cm)
28
Shrinkage (cm)
12

Craft results

Final dimension after felting (cm)28
Shrinkage (cm)12

formula-map diagram

Final dimension after felting (cm)
28
Shrinkage (cm)
12

Formula breakdown

Formula

final = pre-felt size × (1 − shrinkage %) — illustrative, fiber-dependent

= 28

Note

Simplified model: these are standard craft estimates based on rectangular layouts, quoted gauge and nominal densities. Real fabric nap, directional prints, shrinkage, pattern matching, yarn lots and supplier SAP values vary, so always make a swatch or test piece and buy a little extra.

More in Crafts and sewing

See all →