Boarding Oven setting

Boarding Temperature °C

Dwell Time s

Calibration Reference run

Reference Temperature °C

Shrinkage at Reference %

Shrinkage per °C %/°C

Reference Dwell s

Dwell Exponent

Garment Dimensions

Greige Length cm

Target Finished Length cm

Boarding Shrinkage

— %

At the working temperature and dwell

Dimensional Result

Shrinkage from Temperature Alone: — %
Dwell Multiplier: — ×
Finished Length: — cm
Length Lost: — cm
Greige Length for Target: — cm
Greige Change Needed: — cm

Fitted coefficients, valid only across the temperature band they were measured in — past the elastane's setting window shrinkage stops rising and the fibre degrades instead. Boarding also sets width and recovery, which this does not model; check both on the boarded garment.

Seamless Garment Heat-Setting Shrinkage Modeler — free, with the formula and a worked example, at Textile School.