Ashenhurst Sett Calculator

Length of yarn per given weight. Default of 1680 is 8/4 cotton's yards per pound.
The weight of yarn of the given length.
The type of fibre has a small impact on the diameter. If unsure, leave as default.
  • Yards Per Pound:
  • Ashenhurst Diameters per inch:
DescriptionEnds Per Inch (EPI)
Plain WeaveTwill
90% of Max (Upholstery)
80% of Max (Production)
70% of Max (Clothing)
65% of Max (Woolen)
60% of Max (Clothing)
50% of Max (Delicate)
Calculator by NotSoRigidWeaver based on Ashenhurst's formula via Peggy Osterkamp